# Principal Value

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Find the principal value of...

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##### Solution Summary

The Principal Values of three complex expressions are found.

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a)

We know that i= exp(i*Pi/2), so:

i^i= [exp(i*Pi/2)]^i= exp(i*i*Pi/2)= exp(-Pi/2)

Note that we just want to find the principal value, so we do not include 2k*Pi.

b)

We know ...

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