Question

pls solve this question

Answer 1

you have to rationalised the denominator with opposite sign of denominator like
$\sqrt{3 + 5}$

use this and multiply with both term
$5 \div \sqrt{3 - 5} \times \sqrt{3 + 5 \ } \div \sqrt{3 + 5}$
answer is
$5 \sqrt{5} + 5 \sqrt{3}$
it is numerator
and denominator is
$2 - 5 = - 2$
this is the answer