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Ex 6.1, 2 - Chapter 6 Class 8 Squares and Square Roots - Part 7

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Ex 6.1, 2 The following numbers are obviously not perfect squares. Give reason. (vii) 222000 Perfect square ends in 0, 1, 4, 5, 6 or 9. And they can only have even number of zeroes at the end. 222000 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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