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  3. let a?0 be a complex number, and define the ?th br

Let a?0 be a complex number, and define the ?th branch of z by f(z)...

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Calculus

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Let a?0 be a complex number, and define the ?th branch of z by f(z) := exp(aLog?(z)). Show that, for z C R?, we have '(z) = af(z)/z. This means d/dzz= aza-1 where we pick the same branch on both sides of the identity.

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