7. the value of the contour integral dx 43 where c denotes the unit p(2+3) circle |z =1 traced in the contour clockwise direction is (a) 0 (c) 2 mi/3 (b) 2t (d)

7. The value of the contour integral dx 43 where c denotes the unit P(2+3) circle |z =1 traced in the contour clockwise direction is (A) 0 (C) 2 mi/3 (B) 2T (D)-2T9