Mathematics, 13.07.2019 04:00, elizabethivy75

For all complex numbers z, let $f(z) = \left\{ \begin{array}{cl} z^{2}& \text{ if }z\text{ is not real}, \\ -z^2 & \text{ if }z\text{ is real}. \end{array} \right.$ find $f(f(f(f(1+$ .

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For all complex numbers z, let [tex] \[f(z) = \left\{ \begin{array}{cl} z^{2}& \text{ if }z\text...