જો $\int \frac{x + 1}{x^2 + 1} dx = \tan^{-1} x + g(x) + c$, જ્યાં $c$ એ સંકલનનો અચળાંક છે, તો વિધેય $g(x)$ કયા અંતરાલમાં વધતું વિધેય (monotonically increasing) છે?

  • A
    $R^+$
  • B
    $R^-$
  • C
    $R$
  • D
    $R - \{0\}$

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$\int \frac{(x^2+1)}{(x+1)^2} dx =$

સંકલન $\int\left(\frac{2 x^3-3 x+5}{2 x^2}\right) d x$ માટે માન્ય છે:

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