Question

find the product of root15× root12× root5

Answer 1

$\sqrt{15} \times \sqrt{12} \times \sqrt{5} \\ \sqrt{15 \times 12 \times 5} \\ = \sqrt{3 \times 5 \times 3 \times 4 \times 5} \\ = \sqrt{ {3}^{2} \times {5}^{2} \times {2}^{2} } \\ = 3 \times 5 \times 2 \\ = 30$
hope this helps you.....