Question

The smallest number by which √125 should be multiplied so as to get a rational number is ​

Answer 1

Step-by-step explanation:

√125 = √(5×5×5) = 5√5

Since, √5 has no pair.

So, √125 must be multiplied by√5 to get a rational number.

Answer 2

Answer:

5

Step-by-step explanation:

under root 125 should be multiple with 5 to get a rational no.

then the rational no. is 25

under root(5*5*5)=under root 125

under root(5*5*5*5)=25

it become a perfect square