Question

Rationalise the denominator of the following 1/√5-√3

Answer 1

Answer:

√5+√3/2

Step-by-step explanation:

1/√5-√3 x √5+√3/√5+√3

= √5+√3/(√5)²-(√3)²

{ Using identity: (a+b) (a-b) = a²-b² }

=> √5+√3 / 5-3

=> √5+√3 / 2