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Let'a = (z + 2)(2 + 2i) is purely real a...

Let'a = (z + 2)(2 + 2i) is purely real and a e[-1, 2] where z is a complex number and z = x + jy(x, y E R), then -(1) 12/max = 6(2) z/mex = 2+2(3) Iz/min = V3(4) [z/min = 0

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