Question

Найдите значение выражения √8*√18

Answer 1

$\sqrt{8} *\sqrt{18} =\sqrt{8*18} =\sqrt{144} =12$

Answer 2

$\sqrt{8} \times \sqrt{18} = \sqrt{4 \times 2} \times \sqrt{2 \times 9} = \\ = \sqrt{4 \times 4 \times 9} = 4 \times 3 = 12$