Question

simplify ( √10-√6) (√10+√6)​

Answer 1

this is in the form of

(a+b)(a-b) =a^2-b^2

so,

$( \sqrt{10} -\sqrt{6} )( \sqrt{10} + \sqrt{6} ) = \sqrt{10} ^{2} - \sqrt{6} ^{2}$

$=100-36 </p><p>=64$