^8 x ^4 x d x= __________ + C . - Vidyadip

MCQ

$\int \tan ^8 x \cdot \sec ^4 x d x=$ __________ + C .

A
$\frac{\tan ^9 x}{9}-\frac{\tan ^7 x}{7}$
B
$\frac{\tan ^{11} x}{11}-\frac{\tan ^9 x}{9}$
C
$\frac{\tan ^9 x}{9}+\frac{\tan ^7 x}{7}$
✓
$\frac{\tan ^{11} x}{11}+\frac{\tan ^9 x}{9}$

✓

Answer

Correct option: D.

$\frac{\tan ^{11} x}{11}+\frac{\tan ^9 x}{9}$

D

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