Write an equivalent expression in expanded form.
2 answers:
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Converting -4 to polar form gives .
Then the 4th roots of -4 would be the numbers
where <em>k</em> is taken from {0, 1, 2, 3}.
So we have
Converting -4 to polar form gives .
Then the 4th roots of -4 would be the numbers
where <em>k</em> is taken from {0, 1, 2, 3}.
So we have