Introduction to Imaginary Numbers - Problem 6 259 views
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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