Question

plz ans this question as soon as possible

Answer 1

The answer is Option B

Answer 2

$\sqrt{8 - 2 \sqrt{15} } = \sqrt{5 + 3 - 2 \sqrt{3 \times 5} } = \sqrt{ { \sqrt{5} }^{2} + { \sqrt{ 3} }^{2}2 \times \sqrt{5} \times \sqrt{3} } = \sqrt{ { (\sqrt{5} - \sqrt{3} })^{2} }$