Question Number 30417 by abdo imad last updated on 22/Feb/18
$${integrate}\:{the}\:{d}.{e}.\:\:\:\left(\mathrm{1}+{x}^{\mathrm{2}} \right){y}^{'} \:−\mathrm{2}{x}\:{y}\:=\:{e}^{−{x}^{\mathrm{2}} } . \\ $$
integrate-the-d-e-1-x-2-y-2x-y-e-x-2-