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Ex 6.1, 2 - Chapter 6 Class 8 Squares and Square Roots - Part 5


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Ex 6.1, 2 The following numbers are obviously not perfect squares. Give reason. (v) 64000 Perfect square ends in 0, 1, 4, 5, 6 or 9. And they can only have even number of zeroes at the end. 64000 has 3 zeroes at the end. Perfect square can have only even number of zeroes at the end. ∴ It is not a perfect square.

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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.