anonymous
  • anonymous
One more integration question...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[\int\limits (-dx/e^x(e^{x}+1)^3)\]
anonymous
  • anonymous
Should I expand the expression inside the parenthesis?
anonymous
  • anonymous
Draw it

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More answers

dan815
  • dan815
|dw:1370745078032:dw|
dan815
  • dan815
like that?
anonymous
  • anonymous
yea
anonymous
  • anonymous
@oldrin.bataku
dan815
  • dan815
|dw:1370745267670:dw|
dan815
  • dan815
|dw:1370745325423:dw|
dan815
  • dan815
set it up as partial fractions
anonymous
  • anonymous
shouldn't the bottom be multiplied by 1 since you multiplied top and bottom by e^x?
anonymous
  • anonymous
my bad...the bottom is \[e^{-x}\]
anonymous
  • anonymous
sorry about that
anonymous
  • anonymous
but thanks!
anonymous
  • anonymous
I get it!
dan815
  • dan815
ok no problem! see you
anonymous
  • anonymous
$$\frac1{u^2(u+1)^3}=\frac1{u^2}+\frac3{u+1}+\frac2{(u+1)^2}+\frac1{(u+1)^3}-\frac3u$$
anonymous
  • anonymous
thanks anyways @oldrin.bataku !

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