anonymous
  • anonymous
A simple integration prob
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
\[\int\limits_{}^{}(5x ^{3}+9x-4)/(x(x-1)(x ^{2}+4))\]
anonymous
  • anonymous
:)
anonymous
  • anonymous
oh forgot a dx at the very end

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anonymous
  • anonymous
I am SO sorry
anonymous
  • anonymous
lol it's alright I got what you mean, writing it on paper now :)
anonymous
  • anonymous
I am so jealous of you guys who understand calculus :(
anonymous
  • anonymous
\[-13\ln|(x+2)|/3+10\ln|x-1|/3+\ln|x|+c\]
anonymous
  • anonymous
but you can understand calculus if you want to ^_^ all you have to do is learn it and practice to add up the skills
anonymous
  • anonymous
The whole thing inf front of the slash is divided
anonymous
  • anonymous
that was quick mstud, you sure of your answer? :)
anonymous
  • anonymous
and andy , you can do well in mathematics just as you do well with computers ^_^, you're smart
anonymous
  • anonymous
Yes, checked it digitally ^.^
anonymous
  • anonymous
do you know the steps? ^_^
anonymous
  • anonymous
oh! got it! partial fractions! ^_^
anonymous
  • anonymous
Sorry I copied the integral from this webpage, before I solved it, so my answer was wrong, because x^3 was then x*3. The correct answer is: \ln(x^2+4)+2\ln(abs(x-1))+3arcTan(x/2)/2+\ln(abs(x))+c
anonymous
  • anonymous
i guess i am just lazy to learn it... but then sooner or later i will have to learn it in university
anonymous
  • anonymous
If you want to see the solution, just visit WolframAlpha.com and plug in integrate (the expression), so I don't have to write it here with this terrible equation editor...
anonymous
  • anonymous
And maybe my solution here would get full of errors anyway ;_)
anonymous
  • anonymous
oh no, my answer vanished :(
anonymous
  • anonymous
and I got in the end: ln|x| + 2 ln|x -1| + 3/2 S (3/2x+1)/(x^2+4)dx you'll have to integrate the last part once more then add it up with the others .
anonymous
  • anonymous
^_^

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