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

Last updated at April 16, 2024 by

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Ex 5.2, 1 Find the square of the following numbers. (v) 71We know that 71 = 70 + 1 Now, 712 = 71 × 71 = (70 + 1) × (70 + 1) = (70 + 1)2 = 702 + 12 + 2 × 70 × 1 = 4900 + 1 + 140 = 5041

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.