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I just asked this question on another site but with only a handful of somewhat helpful responses.

I just made the following integral problem which I think is very cool and nice, but I don't know how to solve it. (I found it by taking the derivative which is what you see here.)

$\int \left(\frac{x^2-2}{x^3+6x} \right)^2 dx$. (I won't tell you the answer.)

Once I had obtained this nice looking derivative and turned it into a nice looking integration problem I wanted to make more such problems, but the functions I was deriving didn't really seem to have challenging nor interesting derivatives.

How can I come up with some fun integration problems (definite or indefinite)? I should also mention that my knowledge of calculus does not include complex analysis such as the Residues things or the contour theorems, only basic Calc 2 level stuff (eg. taylor series, integration by parts, integration tables from my physics textbook as I don't know where my calculus one is.)

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  • $\begingroup$ You might also try the MathEducators Stack Exchange. $\endgroup$ – walkar Feb 18 '15 at 3:08
  • $\begingroup$ I am a student by all means but I'll give it a go if asking here doesn't work as well as I had hoped. $\endgroup$ – Faraz Masroor Feb 18 '15 at 3:10
  • $\begingroup$ How can I write fun, cool, and challenging integration problems? - Take a peak here, and find out. $\endgroup$ – Lucian Feb 18 '15 at 9:51

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