Multiplying Complex Numbers

How to multiply complex numbers (numbers with i)

0:20 (-4)^i After multiplying the complex numbers you then use the patterns of i
0:35 This problem you multiply two complex numbers together.
(9-7i)(-6-5i)
This problem is like a polynomial in which you foil the problem.
1:47 This problem involves dividing the complex numbers
4+i/5^i
Remember you can have -i which is a radical in the denominator,therefore you get of i by multiplying by -i
3:30 This problem involves a full complex number and you have to multiply by a conjugate.

You may also enjoy…
Multiplying complex numbers
Simplifying the powers of i
Algebra|Complex Numbers|Patterns of i
Multiplying Complex Numbers|Khan
How to multiply complex numbers

On MooMooMath we provide helpful Math and Geometry videos to help you figure out how to solve Math problems or review old Math concepts you may need to refresh. If you’re a Math student or teacher, we'd love to have you subscribe and join us!
* Subscribe

Let’s connect
MooMooMath
* Google+
* Pinterest
Twitter

-~-~~-~~~-~~-~-
Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
-~-~~-~~~-~~-~-