Question

Rationalise the denominatar:1/root3-root2+1

Answer 1

1/√3-√2+1.

LET(√3-√2)IS. A

ATQ,

1/A+1. ×. A-1/A-1

A-1 /A square -1

put,

(√3-√2)-1. /. 3+2-2√2-1

√3-√2-1. /. 4-2√2