Question

Write the function f(Z) =z+1/z in the form u(r, theta)here r and theta are the modules and argument of Z as is usua​

Answer 1

Answer:

Answer

Correct option is

B

θ

Given: ∣z∣=1⇒ z

z

=1

Now,

1+

z

1+z

=

1+

z

1

1+z

=z.

Hence, the argument is θ