જો $f'(x) = \frac{1}{x} + x$ અને $f(1) = \frac{5}{2}$ હોય,તો $f(x) = $

  • A
    $\log x + \frac{x^2}{2} + 2$
  • B
    $\log x + \frac{x^2}{2} + 1$
  • C
    $\log x - \frac{x^2}{2} + 2$
  • D
    $\log x - \frac{x^2}{2} + 1$

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$\int {\frac{{{x^3} - x - 2}}{{(1 - {x^2})}}\,dx} = $

જો $f'(x) = x^2 + 5$ અને $f(0) = -1$ હોય,તો $f(x) = $

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