Challenge and Thrill of PreCollege MathematicsChallenge And Thrill Of PreCollege Mathematics Is An Unusual Enrichment Text For Mathematics Of Classes 9, 10, 11 And 12 For Use By Students And Teachers Who Are Not Content With The Average Level That Routine Text Dare Not Transcend In View Of Their Mass Clientele. It Covers Geometry, Algebra And Trigonometry Plus A Little Of Combinatorics. Number Theory And Probability. It Is Written Specifically For The Top Half Whose Ambition Is To Excel And Rise To The Peak Without Finding The Journey A Forced Uphill Task.The Undercurrent Of The Book Is To Motivate The Student To Enjoy The Pleasures Of A Mathematical Pursuit And Of Problem Solving. More Than 300 Worked Out Problems (Several Of Them From National And International Olympiads) Share With The Student The Strategy, The Excitement, Motivation, Modeling, Manipulation, Abstraction, Notation And Ingenuity That Together Make Mathematics. This Would Be The Starting Point For The Student, Of A LifeLong Friendship With A Sound Mathematical Way Of Thinking.There Are Two Reasons Why The Book Should Be In The Hands Of Every School Or College Student, (Whether He Belongs To A Mathematics Stream Or Not) One, If He Likes Mathematics And, Two, If He Does Not Like Mathematics The Former, So That The Cramped RobotType Treatment In The Classroom Does Not Make Him Into The Latter; And The Latter So That By The Time He Is Halfway Through The Book, He Will Invite Himself Into The Former. 
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This book is good but I feel some pages are missing in preview which I wish Google would solve the problem as soon as possible since this book is a product of government sources and government for all people irrespective of economic status.
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All 9 reviews »Awesome book ❤👌👌
Contents
Number Systems  1 
Arithmetic of Integers  17 
GeometryStraight Lines and Triangles  45 
GeometryCircles  111 
Quadratic Equations and Expressions  232 
Trigonometry  264 
7  345 
9  430 
12  548 
Beginning of Probability Theory  579 
Beginnings of Number Theory  599 
Finite Series  615 
De Moivres Theorem and Its Applications  647 
Miscellaneous Problems  658 
ANSWERS to selected Questions  673 
690  
Common terms and phrases
AABC ABCD angles bisector called centre Chapter chord circle coefficients common complex Consider constant Construction corresponding defined determinant distance divides division divisor Draw equal equation EXAMPLE EXERCISE exists fact factors Find fixed four function given gives graph Hence implies integer internal intersection length lies locus mathematics means meet midpoint multiple Note objects observe opposite pair parallel parallelogram passes permutations perpendicular polynomial positive integer prime probability problem Proof prove quadratic quadrilateral radius ratio real numbers respectively roots segment sequence Show sides similar Similarly solution Solve space square straight line Suppose tangent Theorem touch triangle triangle ABC true values vertices write zero