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An algebra problem by Brian Wang

Algebra Level 2

\[\Large { i }^{ 2015 } = \ ?\] Put in simplest form.

1 i -1 -i 0

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

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including olympiad champions, researchers, and professionals.

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by Brian Wang

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