Ok, in my diffeq book, we're doing work on getting eigenvectors to complex eigenvalues.(adsbygoogle = window.adsbygoogle || []).push({});

anyway the author of the book only mentions Euler's Theorem as: http://rogercortesi.com/eqn/tempimagedir/eqn5095.png [Broken]

and so he perfers to work with http://rogercortesi.com/eqn/tempimagedir/eqn7868.png [Broken] when the roots are

So my question:

What is this called then?:

and can i use in place for and still call it Euler's Theorem?

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# Homework Help: Quick question on Euler's Theorem

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