determine the order of the poles for the given function. 3z - 1 z? + 2z + 5 1 + 4i f(z) = f(z) = (z + 2)(z + i)* f(z) = tan z %3D 1 - cosh z f(z) 1 f(z) = 1 - e sin z f(2) %3D z2 - z

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