Question

Write the rationalising factor of the denominator in
1 ÷√2+√3​

Answer 1

1/(√2+√3)

(√2-√3) / (√2+√3)(√2-√3)

(√2-√3) / (√2)²-(√3)²

√2-√3 / 2-3

√2-√3/(-1)

-(√2-√3)/-(-1)

√3-√2/1

=⟩ √3-√2

Hope this helps you