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# Simplifying Powers of i

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In this lesson, we review simplifying powers of i. In order to simplify powers of i, we must know the result for raising i to the first four powers and our rules of exponents. We should understand that i raised to the first power is simply i, i raised to the second power is -1, i raised the third power is -i, and i raised to the fourth power is 1. We can use these tools to simplify any power of i.

Simplifying Powers of i:

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