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Help please :) int(3x cos2x dx)?

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a. 3x sin 2x + 3 cos 2x + c
b. 3x sin 2x + cos 2x + c
c. -3/2 x sin 2x - 3/4 cos 2x + c
d. 3/2 x sin 2x + 3/4 cos 2x + c
e. 3/2 x sin 2x - 3/4 cos 2x + c

integration

asked Jul 9, 2014 in CALCULUS by anonymous

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1 Answer

0 votes

Apply formula :

The option D is correct choice.

answered Jul 9, 2014 by casacop Expert

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