Which of the following is simply connected? a) the horizontal strip |Imz <1 b) the annulus 1<|z|<2 c) the exterior of the ellipse 4x² +12=1 d) All the above ze The value of the integral 2z-3 dz, where C is the circle z=2 traversed once in the positive sense, is a) 37ie b) 3лi c) Злі The constant functions are the entire functions that are a) continuous b) discontinuous c) bounded d) None of the above The maximum value max (z-1) Z+ max (2-1) (+) is 9 a) b) c) 1 G 32 8 9 d)