Question

(√15+17√3) whole power 2

Answer 1

$( \sqrt{15} + 17 \sqrt{3} ) {}^{2} \\ = (\sqrt{15} ) {}^{2} +( 17 \sqrt{3} ) {}^{2} + 2 \times \sqrt{15} \times \sqrt{3} \\ = 15 + 867 + 2 \sqrt{3 \times 5 \times 3} \\ = 882 + 6 \sqrt{5}$