Question

55 PONTOS ME AJUDA PRF!!!!!!!!
7) Efetue as potenciações.
a) ൫2√3൯
ଶ = __________________
b) ൫3√5൯
ଶ = __________________
c) ൫√2൯
଺ = ___________________
d) ൫2√5
య
൯
ଷ = __________________
e) ൫−7√2൯

ଶ = _________________

Answer 1

Explicação passo-a-passo:

7)

a) $(2\sqrt{3})^2=2^2\cdot(\sqrt{3})^2=4\cdot3=12$

b) $(3\sqrt{5})^2=3^2\cdot(\sqrt{5})^2=9\cdot5=45$

c) $(\sqrt{2})^6=\sqrt{2^6}=\sqrt{64}=8$

d) $(2\sqrt[3]{5})^3=2^3\cdot(\sqrt[3]{5})^3=8\cdot5=40$

e) $(-7\sqrt{2})^2=(-7)^2\cdot(\sqrt{2})^2=49\cdot2=98$