1.

int" x"^(3)sin3xdx=

Answer»

1)`-(x^(3).COS3X)/3+(x^(2)sin3x)/3+(2xcos3x)/9-(2sin3x)/27+C`
2)`-(x^(3)cos3x)/3-(x^(2)sin3x)/3+(2xcos3x)/9-(2sin3x)/27+C`
3)`-(x^(3)cos3x)/3+(x^(2)sin3x)/3-(2xcos3x)/9-(2sin3x)/27+C`
4)`(x^(3)cos3x)/3+(x^(2)sin3x)/3-(2xcos3x)/9-(2sin3x)/27+C`

Answer :A


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