Question Number 90958 by mathmax by abdo last updated on 27/Apr/20
$${let}\:{f}\left({z}\right)\:=\frac{\mathrm{3}}{{zsin}\left({z}^{\mathrm{2}} \right)} \\ $$$${calculate}\:{Res}\left({f},\mathrm{0}\right) \\ $$
let-f-z-3-zsin-z-2-calculate-Res-f-0-