Question

find the smallest number by which 2925 must be divided to get a perfect square

Answer 1

hey,
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“First of all we need to find prime factorisation of 2925....”

♦ Prime Factors of 2925
= 5×5×3×3×13

Smallest no. to be divided = 13

So, 2925/13 = 5×5×3×3×13/13

Therefore,
√225 = √5×5×3×3
√225 = 5×3
√225 = 15
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Answer 2

Hope it will help u....