0 votes 0 votes If $a$ is a constant, then the value of the integral $a^{2}\int^\infty_0 xe^{-ax}dx$ is $1/a$ $a$ $1$ $0$ Calculus gate2012 calculus definite-integrals + – Milicevic3306 asked Mar 25, 2018 • edited Mar 15, 2021 by soujanyareddy13 Milicevic3306 7.9k points answer See all 0 reply