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Neprekidni sigma | Continuous sigma #4

Izračunaj: \int_{0}^{\infty} \ln \left( \frac{e^x+1}{e^x-1} \right) dx Napišite odgovor u obliku \frac{\pi^{a}}{b}. Unesite b^{a} kao odgovor.

Evaluate: \int_{0}^{\infty} \ln \left( \frac{e^x+1}{e^x-1} \right) dx Write the answer in the form \frac{\pi^a}{b}. Input b^a as the answer.