Question

Rationalise 7/√6-√5 Please do it fastt

Answer 1

7/√6-√5

=7/√6-√5×(√6+√5)/(√6+√5) { using (a+b) (a-b)

=a^2+b^2}

=7√6+7√5/(√6)^2-(√3)^2 {^ is square root}

=7√6+7√5/6-5

= -7√6+7√5

I hope this will help u