Question

rationalise the denominator of root 2 upon root 5​

Answer 1

Step 1: Multiply numerator and denominator by a radical that will get rid of the radical in the denominator. If the radical in the denominator is a square root, then you multiply by a square root that will give you a perfect square under the radical when multiplied by the denominator.

Answer 2

Hey mate hope it helps you..

√2/√5 × √5/√5

= √10/5