For \( a > b > 0 \), find the value of
\[
\int_0^{\infty} \frac{e^{ax} – e^{bx}}{x(e^{ax}+1)(e^{bx}+1)} dx.
\]

The best solution was submitted by Ha, Seokmin (하석민, 수리과학과 2017학번). Congratulations!

Here is his solution of problem 2018-17.

Alternative solutions were submitted by 길현준 (2018학번, +3), 김태균 (수리과학과 2016학번, +3, solution), 이본우 (수리과학과 2017학번, +3), 채지석 (수리과학과 2016학번, +3), 서준영 (수리과학과 대학원생, +3), 이재우 (함양고등학교 3학년, +3).