could you look at this problem please. thanks for now.

$\displaystyle \int_{2}^{4}\frac{\sqrt{ln\left ( 9-x \right )}}{\sqrt{ln\left ( 9-x \right )}+\sqrt{ln(x+3)}}dx$

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- Jan 8th 2012, 09:30 AMmamia problem about integral
could you look at this problem please. thanks for now.

$\displaystyle \int_{2}^{4}\frac{\sqrt{ln\left ( 9-x \right )}}{\sqrt{ln\left ( 9-x \right )}+\sqrt{ln(x+3)}}dx$ - Jan 8th 2012, 11:02 AMgirdavRe: a problem about integral
Use the substitution t=6-x.