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Use Integration by Parts to Find the Integral $\int(6 x+3) e^{-2 x} d x$

Question 177

Multiple Choice

Use integration by parts to find the integral.
- $\int(6 x+3) e^{-2 x} d x$

A) $-3 x e^{-2 x}-e^{-2 x}+C$
B) $-3 x e^{-2 x}-3 e^{-2 x}+C$
C) $3 x e^{-2 x}+3 e^{-2 x}+C$
D) $-12 x e^{-2 x}-30 e^{-2 x}+C$

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