0 votes 0 votes Which of the following function $f(z)$, of the complex variable $z,$ is NOT analytic at all the points of the complex plane? $f\left ( z \right )=z^{2}$ $f\left ( z \right )=e^{z}$ $f\left ( z \right )=\sin z$ $f\left ( z \right )=\log z$ Calculus gateme-2020-set1 calculus complex-variables + – go_editor asked Feb 19, 2020 • recategorized Mar 6, 2021 by Lakshman Bhaiya ♦go_editor 5.0k points answer See all 0 reply