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Can we say whether the following number are perfect square? How do we know? (v) 1069

Q.1 Can we say whether the following numbers are perfect squares? How do we know?

(v) 1069

 

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Since the units place of a given number is 9, thus it may or may not be a perfect square number.

As we know a number ending with 0, 1, 4, 5, 6 or 9 at units place can be a perfect square number.

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