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Multiplying Complex Numbers - Problem 3

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

To multiply imaginary numbers, we multiply the integers first, and then multiply the imaginary parts. Terms with i squared can be simplified further because i squared is negative one by definition. If you have the square root of a negative number, write it in terms of i before you do the multiplying.

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