Which of the following numbers is a perfect square? (a) 1057 (b) 3453 (c) 729 (d) 2222
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Answer:
(c) 729
Step-by-step explanation:
13×13 is 729. So, we have to use factorisation for checking whether any of them is perfect square.
Answered by
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It’s c) 729
27*27=728
27*27=728
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