જો $f^{\prime}(x)=x+\frac{1}{x}$ હોય,તો $f(x)=$

  • A
    $x^2+\log |x|+c$
  • B
    $\frac{x^2}{2}+\log |x|+c$
  • C
    $x+\log |x|+c$
  • D
    $\frac{x}{2}+\log |x|+c$

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જો $f(x) = \pi \sin(\pi x) + 2x - 4$ નું આદિ વિધેય (primitive) $x = 1$ માટે $3$ કિંમત ધરાવતું હોય,તો $x$ નો એવો ગણ શોધો જેના માટે $f(x)$ નું આદિ વિધેય શૂન્ય થાય:

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