Q65. the function of a complex variable z has 2 sin tz (a) a simple pole at 0 and poles of order 2 at tyn for n =1,2,3.. (b) a simple pole at 0 and poles of ord

Q65. The function of a complex variable z has 2 Sin tz (a) a simple pole at 0 and poles of order 2 at tyn for n =1,2,3.. (b) a simple pole at 0 and poles of order 2 at tyn and tivn for n =1,2,3.. (C) poles of order 2 at tyn, n = 0,1,2,3.. (d) poles of order 2 at tn, n = 0,1,2,3...