Ex 5.1, 2 (i) - Chapter 5 Class 8 Squares and Square Roots

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Ex 5.1, 2 The following numbers are obviously not perfect squares. Give reason. (i) 1057 Perfect square ends in 0, 1, 4, 5, 6 or 9. And they can only have even number of zeroes at the end. 1057 ends with 7 ∴ 1057 is not a perfect square.

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Davneet Singh

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