Question

Me AJUDEM pofavor.✨​

Answer 1

Explicação passo-a-passo:

a) $(\sqrt{21} )^{2}=21$

b) $(\sqrt[3]{4} )^{2}=\sqrt[3]{4^{2}}=\sqrt[3]{16}=\sqrt[3]{2^{3}*2}=2\sqrt[3]2}$

c) $(8\sqrt{3} )^{2}=64*3=172$

d) $(\sqrt[4]{2})^{9} =\sqrt[4]{2^9}=\sqrt[4]{2^4*2^{4}*2}=2*2\sqrt[4]{2}=4\sqrt[4]{2}$

e) $(\frac{1}{2}\sqrt{10} )^{2}=\frac{1}{4}*10 =\frac{10}{4}$

f) $(\sqrt[6]{8} )^{2}=\sqrt[6]{8^2}=\sqrt[6]{(2^{3})^2}=\sqrt[6]{2^6}=2$