Question Number 6971 by Tawakalitu. last updated on 03/Aug/16
$${Evaluate}\:\:\int\left({x}\:+\:\mathrm{3}{y}\right)\:{dx} \\ $$$${from}\:\left(\mathrm{0},\mathrm{1}\right)\:{to}\:\left(\mathrm{2},\mathrm{5}\right)\:{along}\:{the}\:{curve}\:\:{y}\:=\:\mathrm{1}\:+\:{x}^{\mathrm{2}} \\ $$