Question

please tell me the full solution and explain it​

Answer 1

$\huge\fcolorbox{black}{pink}{ANSWER:-}$

67.882251 i

Step-by-step explanation:

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Answer 2

$\sqrt[3]{\sf{-512}}$

$\bf{\mathbf{Apply\:radical\:rule}:\sqrt[\bf{n}]{\bf{-a}}=-\sqrt[\bf{n}]{\bf{a}},\:\quad \mathbf{if\:}n\mathbf{\:is\:odd}}$

$=-\sqrt[3]{\sf{512}}$

$\bf{\mathbf{Factor\:the\:number:\:}\:512=8^3}$

$=-\sqrt[3]{\sf{8^3}}$

$\bf{Apply\:radical\:rule\::\sqrt[\bf{n}]{\bf{a^n}}=a}$

$\sf{=-8}$