I'm trying to do some rough error analysis and I came into a problem I can't do. I want to do a quick expansion of the radical:(adsbygoogle = window.adsbygoogle || []).push({});

sqrt(x^2-C)

I'm sure I can do a substitution of the x^2 or even (x^2-C), but nowhere is there an expansion listed for sqrt(x). I don't know why one couldn't expand this analytically to get an series approximation of this function.

Thanks for your help

James

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# Expansion of sqrt(x^2-C)

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