Question

Fatore o radicando e simplifique os radicais:
A) √45
B) √245
C) √144
D)√338
E) ∛16

Answer 1

Oie, Td Bom?!

A)

$\sqrt{45}$

$\sqrt{3 {}^{2} \times 5}$

$\sqrt{3 {}^{2} } \sqrt{5}$

$3 \sqrt{5} ≈6,70$

B)

$\sqrt{245}$

$\sqrt{7 {}^{2} \times 5}$

$\sqrt{7 {}^{2} } \sqrt{5}$

$7 \sqrt{5} ≈15,6$

C)

$\sqrt{144}$

$\sqrt{12 {}^{2} }$

$12$

D)

$\sqrt{338}$

$\sqrt{13 {}^{2} \times 2}$

$\sqrt{13 {}^{2} } \sqrt{2}$

$13 \sqrt{2} ≈18,3$

E)

$\sqrt[3]{16}$

$\sqrt[3]{2 {}^{3} \times 2 }$

$\sqrt[3]{2 {}^{3} } \sqrt[3]{2}$

$2 \sqrt[3]{2} ≈2,51$

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