Question

$solve \: this$
$( \sqrt{11} - \sqrt{7})( \sqrt{11} - \sqrt{7} )$

....?

Answer 1

$( \sqrt{11} - \sqrt{7})^2$

$( \sqrt{11})^2 - 2 \sqrt{11} \sqrt{7} + ( \sqrt{7} )^2$

$11 - 2 \sqrt{77} + 7$

$18 - 2 \sqrt{77}$


Hope this helps!

Answer 2

Hi,

Please see the attached file!


Thanks