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Evaluate the Integral x3cos3xdx\int x ^ { 3 } \cos 3 x d x

Question 85

Multiple Choice

Evaluate the integral.
- x3cos3xdx\int x ^ { 3 } \cos 3 x d x


A) 13x3cos3x+13x2sin3x29xcos3x227sin3x+C\frac { 1 } { 3 } x ^ { 3 } \cos 3 x + \frac { 1 } { 3 } x ^ { 2 } \sin 3 x - \frac { 2 } { 9 } x \cos 3 x - \frac { 2 } { 27 } \sin 3 x + C
B) 13x3sin3x13x2cos3x+29xsin3x+227cos3x+C\frac { 1 } { 3 } x ^ { 3 } \sin 3 x - \frac { 1 } { 3 } x ^ { 2 } \cos 3 x + \frac { 2 } { 9 } x \sin 3 x + \frac { 2 } { 27 } \cos 3 x + C
C) 13x3sin3x+1x2cos3x2xsin3x2cos3x+C\frac { 1 } { 3 } x ^ { 3 } \sin 3 x + 1 x ^ { 2 } \cos 3 x - 2 x \sin 3 x - 2 \cos 3 x + C
D) 13x3sin3x+13x2cos3x29xsin3x227cos3x+C\frac { 1 } { 3 } x ^ { 3 } \sin 3 x + \frac { 1 } { 3 } x ^ { 2 } \cos 3 x - \frac { 2 } { 9 } x \sin 3 x - \frac { 2 } { 27 } \cos 3 x + C

Correct Answer:

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