MCQ
$\int \frac{d x}{x^2+5}$
  • A
    $\tan ^{-1} \frac{x}{5}+k$
  • B
    $\tan ^{-1} \frac{x}{\sqrt{5}}+k$
  • $\frac{1}{\sqrt{5}} \tan ^{-1} \frac{x}{\sqrt{5}}+k$
  • D
    $\sqrt{5} \tan ^{-1} \frac{x}{\sqrt{5}}+k$

Answer

Correct option: C.
$\frac{1}{\sqrt{5}} \tan ^{-1} \frac{x}{\sqrt{5}}+k$
C

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