Give an example of a quadratic polynomial over IC that has an imaginary root of
Chapter 43, Problem 43.12(choose chapter or problem)
Give an example of a quadratic polynomial over IC that has an imaginary root of multiplicitytwo. (Compare 43.11.)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer