Question

√180
√147
√40
√99
Scoaterea factorilor de sub radica

Answer 1

√180 = √36·√5 =6√5
√147 = √49·√3 = 7√3
√40 = √4√10 = 2√10
√99 = √9√11 = 3√11

Answer 2

$\sqrt{180}$= 6$\sqrt{3}$
$\sqrt{147}$= 7$\sqrt{3}$
$\sqrt{40}$= 2$\sqrt{10}$
$\sqrt{99}$= 3$\sqrt{11}$