RADICIAÇAO. preciso pra hj
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Resposta:
B)
[tex]\sqrt[2]{(-6)^{2} } =\\\sqrt[2]{36}= + 6 ou -6[/tex]
d)
[tex]-\sqrt[4]{81} =\\-\sqrt[4]{3^{4} }=\\-3[/tex]
e)
[tex]-\sqrt[3]{-8} =\\- \sqrt[3]{-2^{3} }=\\-(-2)=+2[/tex]