## Need help with this integral

Limits, differentiation, related rates, integration, trig integrals, etc.
Andromeda
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Joined: Tue Oct 12, 2010 1:56 am
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### Need help with this integral

Integral ( srt(x - 1) / (x + 8)) dx

This is what I came up with after using substitution on the original integral. I am stuck here.

Martingale
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Joined: Mon Mar 30, 2009 1:30 pm
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### Re: Need help with this integral

Andromeda wrote:Integral ( srt(x - 1) / (x + 8)) dx

This is what I came up with after using substitution on the original integral. I am stuck here.

If your integral is

$\int\frac{\sqrt{x-1}}{x+8}dx$

then let $u=\sqrt{x-1}$