# Toronto Math Forum

## MAT334--2020S => MAT334--Tests and Quizzes => Quiz 2 => Topic started by: Weiyin Wu on January 30, 2020, 08:28:50 PM

Title: TUT0401
Post by: Weiyin Wu on January 30, 2020, 08:28:50 PM
Find the limit of each function at the given point, or explain why it does not exist.
$f(z) = |1 - z|^2$ at $z_0 = i$
$$\lim_{z\to z_0} f(z) = \lim_{z\to z_0} |1 - z|^2 = |1 - i|^2 = 1^2 + (-1)^2 = 2$$