`f(z) = (1 - e^z)(z + e^z)` Differentiate.

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balajia | College Teacher | (Level 1) eNoter

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`f(z)=(1-e^z)(z+e^z)`

`f'(z)=(-e^z(z+e^z)+(1-e^z)(1+e^z))`

`f'(z)=2-ze^z-e^(2z)`

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