Ask Me Help Desk - How find the root of complex equation

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how find the root of complex equation

how we find the root of
x^2+4x+1...
where x=exp(jw);

Use the quadratic equation?

$x = \frac{-4 \pm \sqrt{4^2 - 4}}{2}$

$x =-2 \pm \sqrt{3}$

And then, you substitute back x = exp(jw) though I'm not sure what you mean by that... is it:

$x = e^{iw}$

?

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