Ex 5.1, 8 (ii) - Chapter 5 Class 8 Squares and Square Roots

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Ex 5.1, 8 (ii) Express 121 as the sum of 11 odd numbers.We know that Sum of consecutive odd numbers is n2 Total odd numbers = 11 and 112 = 49 Therefore, ∴ 121 = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21

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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