Question

Which of the following is analytical method of complex?​

Answer 1

Explanation:

A function f(z) is said to be analytic in a region R of the complex plane if f(z) has a derivative at each point of R and if f(z) is single valued. 1.2 Definition 2. A function f(z) is said to be analytic at a point z if z is an interior point of some region where f(z) is analytic