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Showing posts from April 9, 2012

Real Numbers, Class 10, Mathematics - Solutions of NCERT (CBSE) Math Exercise 1.3

Class 10, NCERT (CBSE) solution of Mathematics   Chapter 1, Real Numbers NCERT solution for Math Textbook Exercise 1.3 (Page 14) Q 1: Prove that √5 is irrational. Solution: Let us assume √5 is a rational number. Then, we can find two positive integers a, b (b ≠ 0) such that Suppose, a and b have a common factor