Question

for each of the following numbers find the smallest whole number by which it should be multiplied so as to get a perfect square number also find the square root of the square number so obtained 252​

Answer 1

Answer:

252 = 2 x 2 x 3 x 3 x 7

Here, prime factor 7 has no pair. Therefore 252 must be multiplied by 7 to make it a perfect square.

\therefore252\times7=1764

And (i) \sqrt{1764}=2\times3\times7=42