Two complex variable problems (90-4,7) two problems

see the attachment for the problems. --- - the image of the closed rectangular region... - principal branch of the square root... --- (See attached file for full problem description)

complex variables. (80-2, 14)

See the attachment for the problems. --- - Lef f be a function which is analytic inside... - Write and equation... --- (See attached file for full problem description)

Four complex variable problems (80-5,6, 80-10)

See the attchment for the problems. --- - Suppose the function f is analytic inside... - Determine the number of zeros... - Write f(z) - z^n and... - Any polynomial... --- (See attached file for full problem description)

complex variables. (103-4,8)

see the attachments for the problems. (See attached file for full problem description)

complex variables (118-1,5)

(See attached file for full problem description)