Question

efetue as multiplicações a)√5.√3 b)⁴√6.√2

Answer 1

$a) \sqrt{5} \times \sqrt{3} = \sqrt{5 \times 3} = \sqrt{15} \\ \\ b) \sqrt[4]{6} \times \sqrt{2} = \sqrt[4]{6} \sqrt[4]{ {2}^{2} } = \\ \sqrt[4]{6 \times {2}^{2} } = \sqrt[4]{6 \times 4} = \sqrt[4]{24}$