Question

Find the smallest whole number by which it should be multiplied so as to get a perfect square 1573

Answer 1

Step-by-step explanation:

252 = 2 x 2 x 3 x 3 x 7

Here, 2 and 3 are in pairs but 7 needs a pair. Thus, 7 can become pair after multiplying 252 with 7.

So, 252 will become a perfect square when multiplied by 7.

Thus, Answer = 7

square no.=252x7=1764

square root of 1764=42

you can find your answer by this method