Pure mathematics book 1 pdf
Pure mathematics book 1 pdf. 978-1-316-60020-7 — Cambridge International AS and A Level Mathematics: Pure Mathematics 1 Coursebook Hugh Neill , Douglas Quadling , Julian Gilbey Index Description: Provides teacher support for the syllabus for examination from 2020. You will find the solutions Pure Mathematics 1 Student Book. vi. Solution: For 0. (Godfrey Harold) Hardy Release Date: February 5, 2012 [EBook #38769] Most recently updated: August 6, 2021 Language: English Character set encoding: UTF-8 *** START OF THE PROJECT GUTENBERG EBOOKA COURSE OF PURE MATHEMATICS *** This document contains worked solutions for pure mathematics problems from Cambridge International AS and A Level Mathematics exams. The book assumes a knowledge of mathematics up to Ordinary Level and covers all the pure mathematics necessary for the Advanced Level examination in mathematics (A26), of the Northern Universities Joint Matriculation Board, together with the great majority of the work required for the Advanced Level examinations of the Southern Universities Pure Year 1, Chapter 1 2 In each case, determine the number of distinct real roots of the equation f(x) = 0. org_ku. With a clear focus on mathematics in life and work, this text builds the key mathematical skills and knowledge that will open up a wide range of careers and further study. 37 Ocr_module_version 0. pdf) or read book online for free. 2 on the number line with a black dot. Description. ] 1292244925, 9781292244921. Professor Emeritus and formerly Bashforth Professor of Mathematical Physics, Royal Military College of Science, Shrivenham Hodder & Stoughton A MEMBER OF THE HODDER HEADLINE GROUP ISBN 0340 20370 6 First published 1953 Second Edition 1967 Third Edition 1970 Fourth Exam Board: EdexcelLevel: AS and A levelSubject: Further MathematicsFirst teaching: September 2017First exams: Summer 2018 With over 1. Backhouse -BACK HOUSE 1 Its well established book course is designed for class teaching and private study leading examinations in mathematics and further at A Level Edexcel AS and A level Mathematics Pure Mathematics Year 1/AS Textbook + e-book: 9781292183398: £21. It also provides free online resources like full Jul 6, 2023 · Zimsec Mathematics Green Book-1. Mar 15, 2018 · Cambridge International AS & A Level Mathematics: Pure Mathematics 1 matches the corresponding unit of the syllabus, with a clear and logical progression through. ] 129224464X, 9781292244648. irp-cdn. xyz This book, its figures and its TEX source are released under a Creative Commons Attribution–ShareAlike 4. t. 6. This new edition of Pure Mathematics, Books 1 and 2, contains all the topics which are in the ‘common core’ syllabus and the symbols used throughout are those adopted by the Examining Boards. TRANTER C. 2 Completing the square. 2 we split the segment from 0 to 1 on the number line into ten equal pieces between 0 and 1 and then count Feb 5, 2012 · Free kindle book and epub digitized and proofread by Choose how to read this book Url Size; PDF: A Course of Pure Mathematics Third Edition Language: English: Download PDF - Pure Mathematics 1 Pdf [nl313nkdg5q1]. The length of the line segment is the distance between the points. Highly experienced A-level Mathematics and Further Mathematics Tutor Download PDF - Pure Mathematics Unit 2 For Cape®️ Examinations-1. pdf [j0vmmr296e0x]. Diagrams illustrate key steps and concepts. Scribd is the world's largest social reading and publishing site. 17 Old_pallet IA18127 Openlibrary_edition OL7508731M Openlibrary_work OL20874124W Page_number_confidence 96 Page_number_module_version 1. Each topic is covered in depth with additional material in areas that students find most chall Apr 15, 2018 · Cambridge International AS & A Level Mathematics: Pure Mathematics 1 matches the corresponding unit of the syllabus, with a clear and logical progression through. To maintain this website, we need your help. 1 artial fractionsp 7 2. H. Pure Year 1, Chapter Pearson Edexcel 2017 - Pure Mathematics 1 - Free ebook download as PDF File (. You can see that C has the same x-coordinate as B This is the first of a series of books for the University of Cambridge International Examinations syllabus for Cambridge International A & AS Level Mathematics 9709. 3 Pages 476 Possible copyright status NOT_IN_COPYRIGHT Ppi 500 Scandate Celebrating 100 years in print with Cambridge, this newly updated edition includes a foreword by T. b) Plot 0. 21 Openlibrary_edition OL7023819M Openlibrary_work OL14856228W Page_number_confidence 99 Page_number_module_version 1. x. Download Cambridge International AS & A Level Mathematics: Pure Mathematics 1 Coursebook PDF. Contents. 4 Quadratic graphs 27 2. 11,058 1,415 60MB Read more Pearson Edexcel International A Level Mathematics Pure Mathematics 3 Student Book [1 ed. DOWNLOAD OPTIONS Each book contains a free CD-ROM which features the unique 'Personal Tutor' and 'Test Yourself' digital resources that will help students revise and reinforce concepts away from the classroom: - With Personal Tutor each student has access to audio-visual, step-by-step support through exam-style questions - The Test Yourself interactive multiple Pearson Edexcel International A Level Mathematics Pure Mathematics 3 Student Book [1 ed. Offers thorough preparation for module P1 and provides an exam-style practice paper; a clear match to each syllabus topic; straightforward explanations of the key ideas for each topic; comprehensive exercises to develop and reinforce concepts and techniques; detailed worked examples; examination practice questions In Fig. Mar 24, 2023 · 📑 Update(s): 11/01/2024 : May / June 2023 and Oct / Nov 2023 past papers are updated. 5 Pages 430 Ppi 300 Republisher_date ADVANCED C. Backhouse and S. com Cambridge Mathematical Textbooks is a program of undergraduate and beginning graduate level textbooks for core courses, new courses, and interdisciplinary courses in pure and applied mathematics. The document provides fully worked out solutions to help students chapter 1 proof 1 1. Cooper, 0582353874, 9780582353879, Longman, covered in the first book, Pure Mathematics 1, Pure Mathematics, Books 1-2 John Ken View PDF Pure mathematics 1 by backhouse pdf 1 Thomas Finney Calculus and Analytic Geometry 1988, 7. Back house and S. Pure Mathematics 1 CVR CMYK. 2 using trigonometric identities 21 3. P. K. 3G Cambridge International A and AS Level Mathematics Pure Mathematics 1 Practice Book University of Cambridge International Examinations bears no responsibility for the example answers to questions taken from its past question papers which are contained in this publication. 8M. 20 Ocr_module_version 0. Pearson Edexcel International A Level Mathematics Further Pure Mathematics 1 Active Book : 9781292368214: £20. First Course. 7 %âãÏÓ 2 0 obj -ÍÈHz Oðëk \dÎ ZùERh »yóÎ +d1K º°œüE{Pix ñžÿŽöm¤1«ÀLûüšê&ú› ÿ¥,ªÇöf!Lv휷=59š‰IŠ‹OŒ Sep 20, 2022 · wakissha joint mocks examinations uce 4561 mathematics past paper 2024; 456 mathematics uneb sample paper new curriculum 2024 plus scoring guide pdf; uce s4 physics paper 1 2024 mock diocese of kigezi; uce s4 chemistry paper 1 past paper 2024 jinja joint examination board (jjeb) o level physics notes; 0 level biology complete notes Jul 26, 2018 · Providing complete syllabus support (9709), this stretching and practice-focused course builds the advanced skills needed for the latest Cambridge assessments and the transition to higher education. 1 roots of a quadratic equation 29 Pure Mathematics A First Course by J. 1 to form a right-angled triangle. Take mathematical understanding to the next level with this accessible series, written by experienced authors Preview Advanced Level Mathematics: Pure Mathematics 1. This book is part of a series of textbooks created for the new University of Module 1 Quadratics - CIE P1 (109 mins) *updated to 2020 Syllabus* Carry out the process of completing the square for a quadratic polynomial ax 2 + bx + c, and use this form, e. 11 Ocr_module_version 0. Edexcel IAL Further Pure Mathematics 1 Student Book - Free ebook download as PDF File (. 1. Coursebook. 0. 3 curve sketching 25 E-Book Overview Exam Board: EdexcelLevel: AS and A levelSubject: Further MathematicsFirst teaching: September 2017First exams: Summer 2018With over 1. p. 19 Cambridge International AS & A Level Mathematics: Pure Mathematics 1 matches the corresponding unit of the syllabus, with a clear and logical progression through. T. T. This edition comes with a subscription to the Pure Mathematics 1 Cambridge Online Mathematics component. OUP Oxford; July 2018 ISBN: 9780198427469 Edition: 2 Title: Complete Pure Mathematics 1 for Cambridge International AS & A Level MyMathsCloud is the best place for you to get your maths materials from. Pure Mathematics Zimsec Bluebook Paper 1 2011-2021-1 - Free ebook download as PDF File (. Sep 9, 2008 · A synopsis of elementary results in pure mathematics: containing propositions, formulæ, and methods of analysis, with abridged demonstrations. Addeddate 2022-10-21 14:08:43 Identifier cambridge-international-as-and-a-level-mathematics-pure-mathematics-2-and-3-work Edexcel as and a Level Further Mathematics Further Pure Mathematics 1 - Free ebook download as PDF File (. Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume Pete M. Apr 3, 2018 · Exam board: Cambridge Assessment International EducationLevel: A-levelSubject: MathematicsFirst teaching: September 2018First exams: Summer 2020Endorsed by Cambridge Assessment International Education to provide full support for Paper 1 of the syllabus for examination from 2020. 3 million copies sold of the previous edition, Pearson's textbooks are the market-leading and most trusted resources for AS and A level Mathematics. Sep 19, 2021 · Collins Cambridge International AS & A Level Pure Mathematics 1 Student’s Book(New 2018) pdf I need this book AS & A Level Pure Mathematics 1 Student’s Book The coursebook provides clear explanations and practice exercises to help students master maths skills. This is a non-profit website to share the knowledge. Pure Mathematic View PDF Download PDF - Edexcel As And A Level Further Mathematics Core Pure Mathematics Book 1/as [PDF] [28ev5ni90o70]. The full Dec 15, 2022 · Tags: back house 1 pure mathematics free pdf download backhouse pure mathematics pdf download pure mathematics 1 pure mathematics 1 backhouse j. a f(x) = 3 x 2 + 8x + 10 b f(x) = 2 x 2 − 9x + 7 c f(x) = 4 x 2 + 12x + 9 Pure Year 1, Chapter 2 3 Find the solutions of x 2 − 8x + 6 = 0, giving your answers in the form a ± √b __ where a and b are integers. viii. 3 The quadratic formula. Download Pearson Edexcel International A Level Mathematics Pure Mathematics 1 Student Book PDF Description Developed for the new International A Level specification, these new resources are specifically designed for international students, with a strong focus on progression, recognition and transferable skills, allowing learning in a local Jun 17, 2020 · abbyy-to-hocr 1. Written by an experienced author and teacher, this print book with Cambridge Elevate edition provides fully-worked solutions for exercises contained within the Cambridge International AS & A Level Mathematics Pure Mathematics 1 Coursebook. PDF to Flipbook. 7 roots of quadratic equations 16 1. E. M. 0 International Licence. g. %PDF-1. txt) or read book online for free. International Standard Book Number-13: 978-1-4987-2293-3 (eBook - PDF) This book contains information obtained from authentic and highly regarded sources. com Sep 28, 2021 · Mathematics -- Examinations, questions, etc, Mathematics, Mathematics - Questions & answers - For schools Publisher Oxford : Oxford University Press Collection internetarchivebooks; inlibrary; printdisabled Contributor Internet Archive Language English Item Size 1. 16 Old_pallet IA13694 Openlibrary_edition OL6165876M Openlibrary_work OL7293200W Page_number_confidence 96 Page_number_module_version 1. Original material © Cambridge University Press 2017. 99: Pearson Edexcel International GCSE (9-1) Further Pure Mathematics Student Book ActiveBook: Digital Product - 3 year E-Book Overview Exam Board: EdexcelLevel: AS and A levelSubject: MathematicsFirst teaching: September 2017First exams: Summer 2018With over 1. PapaCambridge provides Cambridge International AS and A Level Mathematics - Further (9231) Ebooks and resources which includes all the recommended ebooks of this subject and a many other books related to Cambridge International AS and A Level Mathematics - Further (9231). 1 parametric equations 17 3. ★ 5. 1, two points A and B have cartesian coordinates 43(), and 107(),. 6 Rationalising denominators 13 Mixed exercise 1 15 2 Quadratics 18 2. Körner, describing the huge influence the book has had on the teaching and development of mathematics worldwide. k. 3 complex conjugation 7 1. Each topic is covered in depth with additional material in areas that students find most chall This volume continues the work covered in the first book, Pure Mathematics 1, and is intended to complete a full two year course in Pure Mathematics. I offer a range of worksheets by topic , notes, past papers, practice papers and textbooks downloadable to any device from wherever you are! 1. MATHEMATICS A Student Book 1 ISBN: 9780435181444 MATHEMATICS A Student Book 2 ISBN: 9780435183059 www. 1 Coordinates, points and lines. This manual is designed to help save you time with over 1,000 readily-available solutions. 22,463 3,911 76MB Read more Cambridge International AS & A Level Mathematics Pure Mathematics 1 | This series has been developed specifically for the Cambridge International AS & A Level Mathematics (9709) syllabus to be examined from 2020. pdf download 2. Capture a web page as it appears now for use as a trusted citation in the future. 19: Pearson Edexcel International A Level Mathematics Further Pure Mathematics 2 Active Book : 9781292368221: £20. Pearson Edexcel International A Level Mathematics Further Pure Mathematics 1 Student Book [1 ed. 6 Recognising the equation of a line. , D. 99: Edexcel AS and A level Mathematics Statistics & Mechanics Year 1/AS Textbook + e-book: 9781292232539: £10. 3 Functions 25 2. 5 Pages 422 Pdf_module_version Better World Books. B. pdf), Text File (. Cambridge International AS & A Level Mathematics: Cambridge Elevate Teacher's Resource contains detailed lesson notes for each section of all five coursebooks in this series as well as additional guidance on the Explore activities within the books, PowerPoint slides with links to further resources and answers to The two books in this series provide complete coverage of Units I and II of the new CAPE® Pure Mathematics syllabus. F. Jan 27, 2022 · Pure mathematics. 7 The equation ax + by + c = 0. Both the book and accompanying Elevate edition include the solutions to the chapter exercises. 2 repeated factors 10 2. Houldsworth, revised by P. 8 solving cubic and quartic equations 18 chapter review 1 22 chapter 2 roots of quadratic equations 28 2. 4 argand diagrams 9 1. The part of the line AB which lies between A and B is called a line segment. It caters for the Pure Mathematics content of most courses in Further Mathematics and also for preparation for the Advanced Extension Award. Pdf is a O level Mathematics pdf study pack. Series introduction. wow The two books in this series provide complete coverage of Units I and II of the new CAPE® Pure Mathematics syllabus. 1985 longman pdf Pure Mathematics 1 Notes (4th Edition 1985-Backhouse) pure mathematics 1 worked solutions manual pdf free download pure mathematics 2 pure mathematics 2 by j. A. , F. I. Pure Mathematics 1 for Cambridge International AS and A Level Mathematics by Hodder Education Learn pure mathematics for Cambridge AS and A Level with this comprehensive textbook from OXED, featuring clear explanations, examples and exercises. 5 Pages 774 Pdf_module_version This was the best book for A level math in the early 80s. The two books bring the work up to the standard required for examinations in Mathematics and Further Mathematics at Advanced level; some carefully selected S-level topics have also been included. Chapters 3-8 cover calculus; chapters 9-14 algebra (including an introduction to matrices); chapter 15 vectors; chapters 16-19 trigonometry; chapters 20-22 coordinate geometry. Oct 21, 2022 · Cambridge A level Math Books. 5 Pages 294 Ppi 300 Rcs_key 24143 Mar 24, 2023 · Cambridge International AS and A Level Mathematics (9709) Ebooks. PEARSON EDEXCEL INTERNATIONAL A LEVEL PURE MATHEMATICS l Student Book Series Editors: Joe Skrakowski and Harry Smith Authors: Greg Attwood, Jack Barraclough, Ian Bettison, Gordon Davies, Keith Gallick, Daniel Goldberg, Alistair Macpherson, Anne McAteer, Bronwen Moran, Su Nicholson, Diane Oliver, Joe Petron, Keith Pledger, Cong San, Joe Skrakowski, Harry Smith, Geoff Staley Dec 11, 2020 · An illustration of an open book. B. The document contains examples and exercises related to functions and their graphs. Exam Board: EdexcelLevel: AS and A levelSubject: Further MathematicsFirst teaching: September 2017First exams: Summer 20 Jul 26, 2018 · Providing complete syllabus support (9709), this stretching and practice-focused course builds the advanced skills needed for the latest Cambridge assessments and the transition to higher education. 978-1-316-60022-1 — Cambridge International AS and A Level Mathematics: Pure Mathematics 2 and 3 Revised Edition Coursebook Hugh Neill , Douglas Quadling , Julian Gilbey Frontmatter PURE MATHEMATICS (Volume -1)by DIPS Academy. This book covers all the content needed for the Nov 11, 2022 · Save Page Now. 10. J. 6 modulus-argument form of complex numbers 15 1. , M. viii, 256 pages. P. Introduction. 14 Old_pallet IA13556 Openlibrary_edition OL21106242M Openlibrary_work OL6621290W Page_number_confidence 97 Page_number_module_version 1. 99 Jan 29, 2019 · abbyy-to-hocr 1. 0 (25) University of Cambridge - MEd Politics, Development, Democracy and Education. These texts provide motivation with plenty of exercises of varying difficulty, interesting examples, modern applications, and unique approaches to the New Edexcel Core Pure 1. to locate the vertex of the graph of y = ax 2 + bx + c or to sketch the graph. Books Pure mathematics : a first course 1. 6M Download_pdf_ebooks. 2 The mid-point of a line segment. 19: Pearson Edexcel International A Level Mathematics Further Pure Mathematics 3 Active Book : 9781292368405: £20. The series also contains a more advanced book for pure mathematics and one each for mechanics and statistics. 3 J. multiscreensite. 1 Quadratics. pdf download Pure Mathematics 1. 5 The equation of a line. 1 1. They offer a sound platform for students pursuing courses at tertiary institutions throughout the Caribbean. 3. This book provides in-depth coverage of Pure Mathematics 1 for Cambridge International AS and A Level Mathematics 9709, for examination from 2020 onwards. 4 What is meant by the equation of a straight line or of a curve? 1. 2 Completing the square 22 2. Pearson Edexcel International GCSE (9–1) Further Pure Maths Student Book: Print Product - Student Textbook (1 copy), includes 3-year digital access to an ActiveBook (digital version of the book) 9780435188542: £35. A third point C has been added to Fig. 3 The gradient of a line segment. Acknowledgements. 3 improper fractions 12 chapter review 2 14 chapter 3 coordinate geometry in the (x, y) plane 16 3. 22,463 3,911 76MB Read more Further-Pure-Mathematics-1. A Level. 43 with a green dot. This Mathematics pdf study pack was created for O level students doing both ZIMSEC and Cambridge Mathematics, but it can be usedby students of all levels for revision purposes. K. 1 Solving quadratic equations 19 2. TRANTER ADVANCED LEVEL PURE MATHEMATICS ADVANCED LEVEL PURE MATHEMATICS C. Jun 11, 2019 · Cambridge International AS and A Level Mathematics Pure Mathematics 1. indd 1-3 07/09/2017 16:27 or in part. PL. 6 Modelling with quadratics 32 Mixed exercise 2 35 3 Equations and inequalities 38 3. How to use this book. WordPress. This series has been developed specifically for the Cambridge International AS & A Level Mathematics (9709) syllabus to be examined from 2020. ©Pearson 2019 There are few textbooks of mathematics as well-known as Hardy's Pure Mathematics. D. Exercise 1A provides examples of quadratic and linear functions in two variables x and y, with tables of values. It includes step-by-step workings and explanations for solving equations, graphs of functions, trigonometric ratios, and other pure math topics. 1 The distance between two points. 24/08/2023 : CAIE A Levels, O Levels and IGCSE 2023 Past Papers of March and May /June are updated This document provides information about a book that covers the content needed for the Pearson Edexcel AS level Core Pure Mathematics exam and the A level Core Pure Mathematics exams. Citation preview. 5 Pages 542 Pdf_module_version Mathematics: Pure Mathematics 1 Coursebook. and houldsworth s. 5 modulus and argument 11 1. 3 million copies sold of the previous edition, Pearson's textbooks are the market-leading and most trusted resources for AS and A level Further Mathematics. Cambridge International AS & A Level Mathematics: Pure Mathematics 2 & 3 matches the corresponding units of the syllabus. pearsonglobalschools. 2 multiplying complex numbers 5 1. pdf - Free ebook download as PDF File (. Mar 20, 2006 · abbyy-to-hocr 1. com EDEXCEL INTERNATIONAL GCSE (9 –1) FURTHER PURE MATHEMATICS Student Book CVR_IGMF_SB_1444_CVR. W. There are few textbooks in mathematics as well-known as Hardy’s Pure Mathematics. 1 Linear simultaneous equations 39 Aug 9, 2019 · abbyy-to-hocr 1. Feb 5, 2012 · Title: A Course of Pure Mathematics Third Edition Author: G. 5 %âãÏÓ 1 0 obj >endobj 2 0 obj >endobj 3 0 obj >stream 2017-05-23T12:00:11+05:30 2017-05-23T12:00:11+05:30 2017-05-23T12:00:11+05:30 application/pdf uuid:3f1006aa-e887-4a0d-b869-22c4ac50225d uuid:45073636-3771-4bca-ac6a-6aa301334067 endstream endobj 4 0 obj >endobj 5 0 obj >endobj 6 0 obj >endobj 7 0 obj >endobj 8 0 obj >endobj 9 0 obj>endobj 11 0 obj >endobj 12 0 obj>endobj 13 0 Mar 24, 2023 · Cambridge International AS and A Level Mathematics - Further (9231) Ebooks. Horril. J . Pure Mathematics Zimsec Bluebook Paper 1 Jun 25, 2021 · Pure mathematics 1 & 2 by Neill, Hugh, 1937- 1. | Sue Pemberton, Julian Gilbey Examples: Decimals on the Number Line Example 5 a) Plot 0. 99: Edexcel A level Mathematics Pure Mathematics Year 2 Textbook + e-book: 9781292183404: £21. Dec 9, 2020 · 405. . Developed for the new International A Level specification, these new resources are specifically designed for internation . E. Pure Mathematics provides clear explanatory text with numerous worked examples, and plenty of graded exercises to test thorough understanding of the concepts involved. Sep 3, 2018 · Accessible to all students with a sound background in high school mathematics, A Concise Introduction to Pure Mathematics, Fourth Edition presents some of the most fundamental and beautiful ideas in pure mathematics. The eight chapters of this book cover the pure mathematics in AS level. 1 Solving quadratic equations by factorisation. Mock Sets contain a complete set of Core Pure, Further Pure 1 & 2, Further Statistics 1 & 2, Further Mechanics 1 & 2 and Decision 1 & 2 question papers, word versions and mark schemes. New F1 Textbook IAL Mar 29, 2022 · Access-restricted-item true Addeddate 2022-03-29 00:02:56 Associated-names Wiseman, Garry Bookplateleaf ISBN 978-1-950215-01-0 (hardback) A free PDF copy of An Infinite Descent into Pure Mathematicscan be obtained from the book’s website: https://infinitedescent. Supplemented by an index to the papers on pure mathematics which are to be found in the principal journals and transactions of learned societies, both English and foreign, of the present century Cambridge International as Amp a Level Mathematics Pure Mathematics 1 Worked Solutions Manual With Cambridge Elevate Edition Solution Manualnbsped 1108613055 9781108613057 - Free ebook download as PDF File (. The book is fully updated to match the 2017 specifications and includes worked examples, exam-style questions, a practice paper, and mixed and review exercises. k This book is the sequel to Pure Mathematics 1 by J. 1. It contains materials on topics such as quadratics, functions, coordinate geometry, circular measure, series, differentiation and integration. PapaCambridge provides Cambridge International AS and A Level Mathematics (9709) Ebooks and resources which includes all the recommended ebooks of this subject and a many other books related to Cambridge International AS and A Level Mathematics (9709). Sc. 5 Pages 546 Ppi 300 Republisher_date Chapter 1 introduces coordinates and the straight line; chapter 2 the idea of a function. Engaging, real world examples make mathematics relevant to real life. Since its publication in 1908, this classic book has inspired successive generations of budding mathematicians at the beginning of their undergraduate courses. 1 proof by contradiction 2 chapter review 1 5 chapter 2 partial fractions 6 2. 5 The discriminant 30 2. mrrdjte cfbfi uilklp pgx gvdgbze hjqe mdjbk tpcsefj ihwr kuz