Question Number 33307 by abdo imad last updated on 14/Apr/18
$${let}\:{z}={x}+{iy}\:\:{with}\:{x}\neq\mathrm{0}\:{prove}?{that} \\ $$$$\mid\:\frac{{e}^{{z}} \:−\mathrm{1}}{{z}}\:\mid\leqslant\mid\:\frac{{e}^{{x}} \:−\mathrm{1}}{{x}}\:\mid \\ $$
let-z-x-iy-with-x-0-prove-that-e-z-1-z-e-x-1-x-