I have a problem with this integral. By the way, it's not my homework:)(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\int\limits_{0}^{+\infty}(\lim\limits_{n\rightarrow+\infty} \displaystyle\frac{1+\cos\frac{x}{n}+\cos\frac{2x}{n}+\ldots+\cos \frac{(n-1)x}{n}}{n} \right))dx[/tex]

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# Integral problem.

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