Use integration by parts to evaluate $\int 4 x e ^ { - 5 x } d x$
A) $- \frac { ( 5 x + 1 ) \left( 4 e ^ { - 5 x } \right) } { 25 } + C$
B) $- \frac { e ^ { - 5 x } } { 5 } + C$
C) $- \frac { \left( 4 e ^ { - 5 x } \right) } { 25 } + C$
D) $- \frac { x \left( 4 e ^ { - 5 x } \right) } { 5 } + C$
E) $\frac { e ^ { - 5 x } } { 5 } + C$

Question

Quizplus · Accepted Answer

The Answer is A

Use Integration by Parts to Evaluate ∫4xe−5xdx\int 4 x e ^ { - 5 x } d x∫4xe−5xdx

Use Integration by Parts to Evaluate $\int 4 x e ^ { - 5 x } d x$