Question

7. Simplifique a expressão abaixo *
√40
--------
√5

2√5
2√2
2√10
√2

Answer 1

$\mathsf{\sqrt{40}=\sqrt{4}.\sqrt{10}=2\sqrt{10}}$

$\mathsf{\dfrac{\sqrt{40}}{\sqrt{5}}=\dfrac{2\sqrt{10}}{\sqrt{5}}}\\\mathsf{\dfrac{2\sqrt{2}.\sqrt{5}}{\sqrt{5}}=2\sqrt{2}}$