Question

вычеслите рациональным способом √360*90​

Answer 1

$\sqrt{360*90}$ = $\sqrt{360}$ * $\sqrt{90}$ = $\sqrt{8*45}$ * $\sqrt{2*45}$ = $\sqrt{5*8*9}$ * $\sqrt{2*5*9}$ =

=3$\sqrt{40}$ * 3$\sqrt{10}$ = 9$\sqrt{400}$ = 9 * 20 = 180