# Complex Numbers 5

Taught by YourMathGal
• Currently 4.0/5 Stars.
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Part of video series
Meets NCTM Standards:
Lesson Description:

Several examples are provided, showing how to divide by pure complex numbers by multiplying numerator and denominator by i.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

• How do you divide complex numbers?
• How do you get rid of imaginary numbers from the denominators of fractions?
• How do you divide 3/i?
• How do you divide -5/2i?
• How do you divide (9 - 6i)/3?
• How do you divide (9 - 6i)/3i?
• How do you divide 3/4i?
• How do you divide (-8 + 12i)/6i?
• How do you simplify b/ai?
• #### Staff Review

• Currently 4.0/5 Stars.
This lesson shows how to divide complex numbers and remove the imaginary parts from the denominator. The steps for simplifying these fractions are shown and explained. This is a great complex number tutorial to learn the basics of removing imaginary numbers from the denominator if the denominator is just a single term. More complicated examples follow in the next lessons.