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

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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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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo