Gate Physics Complex Math
Complex function 𝑓(𝑧) = 𝑧 + |𝑧 − 𝑎|^2 (𝑎 is a real number) is
(A) continuous at (𝑎, 𝑎)
(B) complex-differentiable at (𝑎, 𝑎)
(C) complex-differentiable at (𝑎, 0)
(D) analytic at (𝑎, 0)
SK Math Expert Answered question August 1, 2023