Question 1064080: explain the process of multiplying or dividing of complex numbers Found 2 solutions by ikleyn, math_helper:Answer by ikleyn(52832) (Show Source):
You can put this solution on YOUR website! NOTE: a,b,c,d are real values.
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Multiplying is straightforward. You just use the distributive property (aka FOIL) of binomials:
Dividing is a bit more work. One first multiplies the top and bottom by the complex conjugate of the denominator to get a denominator that is a real number:
Of course, when you have numbers for a,b,c,and d, you can carry out the arithmetic until you end up with a complex number A+Bi where A and B are real numbers.
I encourage you to practice using problems you might find in your text or problems you find online. The process is not difficult but with practice it becomes even easier.
