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Evaluate the Integral e2xcos7xdx\int e ^ { 2 x } \cos 7 x d x

Question 129

Multiple Choice

Evaluate the integral.
- e2xcos7xdx\int e ^ { 2 x } \cos 7 x d x


A) e2x2[sin7x+cos7x]+C\frac { e ^ { 2 x } } { 2 } [ \sin 7 x + \cos 7 x ] + C
B) e2x53[7sin7x2cos7x]+C\frac { e ^ { 2 x } } { 53 } [ 7 \sin 7 x - 2 \cos 7 x ] + C
C) e2x53[7sin7x+2cos7x]+C\frac { e ^ { 2 x } } { 53 } [ 7 \sin 7 x + 2 \cos 7 x ] + C
D) 153[7e2xsin7x+2cos7x]+C\frac { 1 } { 53 } \left[ 7 e ^ { 2 x } \sin 7 x + 2 \cos 7 x \right] + C

Correct Answer:

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