∫x2 cos xdx is ………………..
A. x2sinx + 2xcosx – 2 sinx + c
B. x2 – 2xcosx – 2sinx + c
C. -x2 + 2xcosx + 2sinx + c
D. -x2 – 2xcosx + 2 sinx + c
Answer:A
∫x2 cos xdx is ………………..
A. x2sinx + 2xcosx – 2 sinx + c B. x2 – 2xcosx – 2sinx + c C. -x2 + 2xcosx + 2sinx + c D. -x2 – 2xcosx + 2 sinx + c