Complex numbers

  1. How can i find The imaginary part of (1-2i)^2-i.

    This is what i have done so far:
    (1-2i)^2 (1-2i)^-i

  2. jcsd
  3. Use the polar form of 1-2i.
Know someone interested in this topic? Share this thead via email, Google+, Twitter, or Facebook

Have something to add?
Similar discussions for: Complex numbers