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← Complex Conjugates - College Algebra

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Showing Revision 2 created 05/24/2016 by Udacity Robot.

  1. So these two numbers 3 plus 4i and 3 minus 4i. Both of which you remember were
  2. solutions to a quadratic equation we solved before, are called complex
  3. conjugates of one another. Everything about them is the same. Except for the
  4. sign between their real and imaginary components. And when we multiply them
  5. together, we get a real number. Considering this new term, what do you think the
  6. complex conjugate of the number 2 minus 3i is?