Ex 6.1, 2 - The following numbers are obviously not perfect squares

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  1. Chapter 6 Class 8 Squares and Square Roots
  2. Serial order wise

Transcript

Ex 6.1, 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 is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.