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

Last updated at May 29, 2023 by

Ex 6.2, 1 - 1. Find the square of the numbers (i) 32 (ii) 35 (iii) 86

 

 

 

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Ex 5.2, 1 Find the square of the following numbers. (i) 32We know that 32 = 30 + 2 Now, 322 = 32 × 32 = (30 + 2) × (30 + 2) = 30 × (30 + 2) + 2 × (30 + 2) = 30 × 30 + 30 × 2 + 2 × 30 + 2 × 2 = 900 + 60 + 60 + 4 = 1024

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.