Question

ca rogggg urgent dau coroana

Answer 1

Răspuns:

$2 \sqrt{5} ( \sqrt{2} + 2 \sqrt{6} ) \\ = 2 \sqrt{5} \times \sqrt{2} + 2 \sqrt{5} \times 2 \sqrt{6} \\ = 2 \sqrt{10} + 4 \sqrt{30}$