Question

find the smallest number by which 1200 should be multiplied so that the square root of the product is a rational number​

Answer 1

$√1200\\ \\ = √12\times100\\ \\= 20√3$

So, 3 is smallest natural number that needed to be multiplied with 1200 , so as to make the product a rational number.

Answer 2

Answer:

hope this will help you.