In Mathematica, I computed the integral ##\lim\limits_{n\to\infty} \frac{1}{n^2} \int\limits_{0}^{\frac{\pi}{2}} \frac{\sin((2n+1)x)}{\sinh(x)} \ dx## and it incorrectly output the answer ##-\frac{3\pi}{2}##. I wanted to try a different CAS software that might provide a different answer, but so far wxMaxima has not worked and I'm not sure what else I can use. I'm also looking for a free alternative because I want to use it at home, since I can only use Mathematica in school and I can't afford a personal license for Mathematica.(adsbygoogle = window.adsbygoogle || []).push({});

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# Free alternative to Mathematica?

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