Question

simplify (√7-√5)(√7-√6)

Answer 1

it is your ans.overy easy

Answer 2

$= \sqrt{7} ( \sqrt{7} - \sqrt{6} ) - \sqrt{5} (\sqrt{7} - \sqrt{6} ) \\ = 7 - \sqrt{42} - \sqrt{35} + \sqrt{30}$