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Imaginary numbers

Algebra Level 3

For \(i = \sqrt{-1} \), find the principal value of the number \( \large i^i \).

\[i\] \[e^{-\pi/2}\] \[\frac{\sqrt{2}}{2}+i \frac{\sqrt{2}}{2}\] \[e^{\pi/2}\]

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by Sergio Rodriguez

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