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Complex Variables: (a) Describe all complex numbers 'z' such that e^z = 1. (b) Let 'w'...

Complex Variables:

(a) Describe all complex numbers 'z' such that e^z = 1.

(b) Let 'w' be a complex number. Let 'a' be a complex number such that e^a = w. Describe all complex numbers 'z' such that e^z = w.

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