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Showing posts from July 13, 2014

Class 8 CBSE Mathematics Guide - Chapter 6, Squares and Square Roots - NCERT Exercise 6.2 Solved

Class 8, CBSE (NCERT) Mathematics Chapter 6, SQUARES AND SQUARE ROOTS - Mathematics Exercise 6.2 (CBSE Guide - NCERT Solutions) (Page 98) Question.1: Find the square of the following numbers (i) 32 (ii) 35 (iii) 86 (iv) 93 (v) 71 (vi) 46 Solutions: (i) 32 = (30 + 2) => 322 = (30 + 2)2 => 30 (30 + 2) + 2 (30 + 2) => 302 + 30 × 2 + 2 × 30 + 22 => 900 + 60 + 60 + 4 => 1024 (ii