Complex Numbers: Simplify (1 + i) / (1 - i)

Erin from SVSU Micro Math helps you divide complex numbers. Complex numbers are numbers of the form a+bi where i is a square root of negative one, sometimes called an “imaginary number”. To rewrite the answer in the form a+bi, we multiply numerator and denominator by the “conjugate” of the denominator.

Problem: Simplify (1 + i) / (1 - i)

Level: intermediate/college algebra

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