Ex 5.2, 1 (iii) - Chapter 5 Class 8 Squares and Square Roots

Last updated at August 14, 2026 by

Ex 5.2, 1 - Find square of 86 without actual multiplication - Teachoo - Ex 5.2

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Ex 5.2, 1 Find the square of the following numbers. (iii) 86We know that 86 = 80 + 6 Now, 862 = 86 × 86 = (80 + 6) × (80 + 6) = (80 + 6)2 = 802 + 62 + 2 × 80 × 6 = 6400 + 36 + 960 = 7396

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