# real root of an equation plzz help me

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• September 29th 2013, 10:35 PM
Vendetta
real root of an equation plzz help me
any help would be appreciated :)
• September 30th 2013, 06:05 AM
zzephod
Re: real root of an equation plzz help me
When $\varepsilon=0$ the real root is $-1$, so expand the root as a power series in $\varepsilon$ as $x=-1+a\varepsilon+O(\varepsilon^2)$ ...

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