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Evaluate the Integral 7xex dx\int - 7 x e ^ { - x } \mathrm {~d} x

Question 11

Multiple Choice

Evaluate the integral. 7xex dx\int - 7 x e ^ { - x } \mathrm {~d} x


A) 7(x+1) ex+C7 ( x + 1 ) e ^ { - x } + C
B) 7(x1) ex+C7 ( x - 1 ) e ^ { - x } + C
C) 7xex+C7 x e ^ { - x } + C
D) 7(x1) ex+C- 7 ( x - 1 ) e ^ { - x } + C
E) 7(x+1) ex+C- 7 ( x + 1 ) e ^ { - x } + C

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