Find the smallest number by which 252 can be multiplied t...
Find the smallest number by which 252 can be multiplied to obtain a perfect square
2
3
5
7
Correct answer is D
\(252 = 2^{2} \times 3^{2} \times 7\)
\(\therefore\) To make 252 a perfect square, the smalest number to multiply with = 7.
\(252 \times 7 = 1764 = 42^{2}\)
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