4. Elementary Analytic Functions
Branch Issues — Quiz
Test your understanding of branch issues with 5 practice questions.
Practice Questions
Question 1
What is the principal value of $\Arg(-1)$?
Question 2
What is a branch cut?
Question 3
Which set is commonly removed to define the principal branch of $\log z$?
Question 4
How many values does $\sqrt{-4}$ have as a multi-valued complex function?
Question 5
Which is the correct formula for the principal square root of $z = r e^{i\theta}$, where $\theta = \Arg z$?