using peime factorisation ,find out the perfect square among the following
(1) 4624
(2) 9248
(3) 7921
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(1)
Since the exponents are even numbers, it's a perfect square
(2)
Since 5 in an odd exponent, it's not a perfect square
(3)
No doubt, it's a perfect square!
_____________________________________________________________
_____________________________________________________________
(1)
Since the exponents are even numbers, it's a perfect square
(2)
Since 5 in an odd exponent, it's not a perfect square
(3)
No doubt, it's a perfect square!
sanjith6:
thanks
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