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Inverse and division of complex numbers.  Four parts.

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Express the following in the form $a+bi$.

\n

Input $a$ and $b$ as fractions or integers and not as decimals.

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$\\displaystyle \\simplify[std]{{c2}/{z2}}\\;=\\;$[[0]] + [[1]] i

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$\\displaystyle \\simplify[std]{{z3}/{z2}}\\;=\\;$[[0]] + [[1]] i

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