- #1

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## Homework Statement

I have the DE

## Homework Equations

e

^{ix}= cos(x) +isin(x) I assume.

## The Attempt at a Solution

I understand here that if k>1/4 the solution of the DE may oscillate, but if k

Here I have r=[-1 +/- sqrt(1-4k)]/2

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- Thread starter Electroguru
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- #1

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I have the DE

e

I understand here that if k>1/4 the solution of the DE may oscillate, but if k

Here I have r=[-1 +/- sqrt(1-4k)]/2

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