Question

efetue o calculo. \/648 : \/6

Answer 1

Primeiro fatora:
$\sqrt{648}= \sqrt{2 ^{2} .3^{2} . 3^{2}.2 }=18 \sqrt{2}$


648|2
324|2
162|2
81|3
27|3
9|3
3|3
1     2².3².3².2


$\sqrt{6} =3.2$


$\sqrt{6}= \sqrt{3.2 }=6$


$18\sqrt{2}:6=3 \sqrt{2}$


resposta:$3 \sqrt{2}$