for each of the following numbers, find the smallest whole numbers by which it should be divided so as to get a perfect square. also find the square root of the square numbers obtained. (ii) 180
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2
Answer :
factorize 180
180 = 2× 2× 3× 3 × 5
the missing pair is with 5
so , the number to be divided = 5
180 / 5 = 36
the square root 36 = 6
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Answer:
Therefore 2925 must be divided by 13 to make it a perfect square. Here, prime factor 11 has no pair. Therefore 396 must be divided by 11 to make it a perfect square.
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