577KiB, 1366x768, 1 f9a162GhpMbiTVTAua_lLQ.png View SameGoogleiqdbSauceNAO Anonymous Fri 29 Jan 21:29:07 2021 No.12643104 ViewReplyOriginalReport Quoted By: Use complex analysis to solve this ?? from 0 to inf (1-cos(y)) / (x^y) dxdy