Question

The smallest number by which root 75 should be multiplied so as to get a rational number is
i) 3
ii) root 3
iii) root 75
iv) 5 root 3

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Answer 1

Answer:

iv) 5 root 3 .................................

Answer 2

If you factorise 75, you get 5*5*3

Since 3 is not in pair , we need to multiply root 75 by 3 in order to make it a rational number.

Hope it helps you.