The function Arg(z) is discontinuous at Select one: O a. {z = x + iy: y = 0, x < 0). O b. {z = x + iy : x = 0, y < 0}. c. {z = x + iy : y = 0, x > 0}. * O d. (z = x + iy : x = 0, y 2 0}. %3D %3D If n e N, then (1 + i V3y" + (1 –i V3)" is equal to: Select one: O a. None of these O b. 2n+1 cos 3 - O c. 2" sin 2 d. 2"+1 sin 3

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