Express the equation `z^ 4 = −2 + 2sqrt3i` in polar form. (solve the equation, expressing your answers in polar form.)
`z^4 = -2+2sqrt3 i`
The polar form of complex number `x + yi` is `r ( cos theta + i sin theta)`
where `r = sqrt(x^2+y^2) ` and `theta = tan^(-1) y/x` .
Base on the given complex number, `x=-2` and `y=...
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