124KiB, 1105x445, WhatsApp Image 2020-03-02 at 10.02.27.jpg View SameGoogleiqdbSauceNAO Anonymous Mon 02 Mar 15:54:08 2020 No.11434062 ViewReplyOriginalReport Quoted By: >>11434251 I don't know how to solve this assertion, I've tried to use Poisson summation formula without success. I don't see how Cauchy's formula can be used.