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Physics Mathematica

Wrong solution for Integrate

Posted 10 years ago

Hi, I am having troubles to compute symbolic intgrals. I keep getting solutions which aren't correct. NIntegrate has no issue but I need a symbolic expression. Integrate[Sqrt[((1 + Sqrt[101]/ 10)^2 - \) (-(1 - Sqrt[101]/10)^2 + \)]/( 2 \ \), \] (Sqrt[-1 + 40200 \ - 10000 \^2] - 201 ArcSin[(201 - 100 \)/(20 Sqrt[101])] + ArcTan[(1 - 20100 \)/ Sqrt[-1 + 40200 \ - 10000 \^2]])/(200 \) Any ideas on how to solve this problem? Thanks!

POSTED BY: Mafalda Dias

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Posted 10 years ago

Edit your post and insert a "code box" using the "red spikey icon" at the right end of the second row of buttons. Then scrape-n-paste your Mathematica expression into the box. That will mostly keep the forum posting software from corrupting your code and make it possible for someone to suggest a solution. BUT carefully check the resulting post to make certain that the code wasn't damaged in the process and edit as necessary.

POSTED BY: Bill Simpson

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