MCQ
$\frac{d}{d x}\left(\frac{1}{5} \tan 5 x\right)=$
  • A
    $\frac{1}{5} \sec 5 x$
  • B
    $\cot 5 x$
  • $\sec ^2 5 x$
  • D
    $\frac{1}{5} \sec ^2 5 x$

Answer

Correct option: C.
$\sec ^2 5 x$
C

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