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Introduction to Imaginary Numbers - Problem 6

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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

By definition, a complex number is written as a + bi where "a" is a real number, and "b" is a coefficient in front of the imaginary number, i. Recall that i is defined as the square root of negative one, so i squared is negative one. We are often asked to write square roots of negative numbers as complex numbers, and we do so by first simplifying any negative roots.

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