Q. 2 D4.5( 8 Votes )

# Which of the following numbers are perfect squares?

321

Answer :

Given a number 321 and need to find out whether it is perfect square or not.

Now, we have the perfect square = , where m and n are integers

⇒ 321 is not a perfect square as it cannot be

expressed as n × n form the product of two equal integer.

Hence, 321 is not a perfect square.

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