Question

Rationalise Denominator
1) 3/√5-2​

Answer 1

Step-by-step explanation:

So I am not if you have underoot whole or not so I am going consider both case

3/√5-2

3/√5-2×√5-2/√5-2

3(√5-2)/3

√5-2

3/√5-2×√5+2/√5+2

3(√5+2)

Answer 2

Answer is in the pic

hope it helps