Question Number 33171 by prof Abdo imad last updated on 11/Apr/18
$${let}\:{f}\left({x}\right)=\:\:\frac{\mathrm{1}}{\mathrm{1}−{e}^{{t}} }\:\:.{calculate}\:{f}^{'} \left({x}\right)\:{interms}\:{of}\:{cht} \\ $$
let-f-x-1-1-e-t-calculate-f-x-interms-of-cht-