Question

(√5 - √2)^2 - (√2 + √3)^2

Answer 1

Solution,
$({ \sqrt{5} })^{2} + ({ \sqrt{2} })^{2} - 2 \sqrt{10} - ({ \sqrt{2} })^{2} - ({ \sqrt{3} })^{2} - 2 \sqrt{6} \\ = 5 + 2 - 2 - 3 - 2 \sqrt{10} - 2\sqrt{6} \\ 5 - 2 \sqrt{10} - 2 \sqrt{6}$