Question

Calcule:

a) √2 . √8 b) √3 . √5



c) √(81⁄64) d) √(121⁄49)





pfvr alguém que saiba pra poder me ajudar?​

Answer 1

$a)$

$\sqrt{2$ . $\sqrt{8}$

$\sqrt{16} = 4$

$b)$

$\sqrt{3}$ . $\sqrt{5}$

$\sqrt{15} = 3.87298334621$

$c)$

$\sqrt{(81/64)}$

$9/8$

$d)$

$\sqrt{(121/49)$

$11/7$