6. Which of the following is FALSE? 7. f A. (4 cos x-3 sin x) dx = 4 sin x + 3 cos x + C B. f3e³x dx = e³x + C - C. f (sec² x + csc² x) dx = tan² x - cot² x + C D. fe²x dx = =+ C 2 COS X 1-cos²x dx equals A.- cscx + C C. secx + C 8. (2-3ex) dx equals A.2x et + C ex C. 2x - + C 3 B. cscx qot x + C D. sin x + C B. 2x3e + C D. 2 et + C

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