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Let

\(f(z) = \left\{ \begin{array}{cl} z^{2}&\text{ if }z\text{ is not real}, \\ z &\text{ if }z\text{ is real}. \end{array} \right.\)

 

Find f(i) + f(1) + f(-1) + f(-i).

 Feb 16, 2021
 #1
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f(i) + f(1) + f(-1) + f(-i) = 8.

 Feb 17, 2021

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