I cant figure out how to integrate this one. integral (x+2)/((x+3)^2 - 4 ) dx The ans is 1/4ln(x+5) +1/12 ln(x+1) +c
Last edited by heatly; Sep 27th 2010 at 11:05 PM.
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It it or ?
It the 1st one . thanks prove it \int{\frac{x+2}{(x+3)^2 - 4}\,dx}
You can solve this using partial fractions. . Applying partial fractions: . Therefore and . Solving these simultaneously gives and . Therefore . So .
Last edited by Prove It; Sep 28th 2010 at 04:48 AM.
Originally Posted by Prove It You can solve this using partial fractions. . ... Very interesting the 'identity' ...from which it derives that ... Kind regards
I do hate when typos go all the way through the post... Fixed now...
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