19. u, (x.y) and suppose = u.(x, y) if f(z) = u+ iv be an analytic function then wihich on ox exact of the following is equal to f(z)? (a) linea 1 an u,(z, 0) -

19. u, (x.y) and Suppose = u.(x, y) if f(z) = u+ iv be an analytic function then wihich on OX Exact of the following is equal to f(z)? (A) Linea 1 an u,(z, 0) - iu,(z, 0) iu,(z, 0) + iu,(z, 0) iu,(z, 0)+ uz, 0) (D) iu,(z, 0) u(z, 0) (B) (C) C) nadundle com Call Toll Free: 1800-120-1 Us: W