Question
Question: \[\int_{}^{}{\tan^{4}x\mspace{6mu} dx =}\]...
∫tan4x6mudx=
A
tan3x−tanx+x+c
B
31tan3x−tanx+x+c
C
31tan3x+tanx+x+c
D
31tan3x+tanx+2x+c
Answer
tan3x−tanx+x+c
Explanation
Solution
sinx+c
21cosx+c
∫1+x2x+1dx=
∫tan4x6mudx=
tan3x−tanx+x+c
31tan3x−tanx+x+c
31tan3x+tanx+x+c
31tan3x+tanx+2x+c
tan3x−tanx+x+c
sinx+c
21cosx+c
∫1+x2x+1dx=