MCQ
$\int {\frac{{{x^2}\, + \,2}}{{{x^4}\, + \,4}}} \,\,dx$ is equal to
  • A
    $\frac{1}{2}\,\,\,{\tan ^{ - 1}}\,\,\frac{{{x^2} + 2}}{{2x}}\,\, + \,\,C$
  • B
    $\frac{1}{2}\,\,\,{\tan ^{ - 1}}\,\,({x^2} + 2)\, + \,\,C$
  • C
    $\frac{1}{2}\,\,\,{\tan ^{ - 1}}\,\,\frac{{2x}}{{{x^2} - 2}}\,\, + \,\,C$
  • $\frac{1}{2}\,\,\,{\tan ^{ - 1}}\,\,\frac{{{x^2} - 2}}{{2x}}\,\, + \,\,C$

Answer

Correct option: D.
$\frac{1}{2}\,\,\,{\tan ^{ - 1}}\,\,\frac{{{x^2} - 2}}{{2x}}\,\, + \,\,C$
d

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