વિકલન શોધો: $\frac{d}{dx} \left( \frac{e^x}{1 + x^2} \right)$

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

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જો $0 < t < \frac{\pi}{2}$ માટે $f(t) = \frac{1 + \operatorname{cosec} t}{1 - \operatorname{cosec} t}$ અને $f^{\prime}(t) = f(t) g(t)$ હોય,તો $g(t) =$

$\frac{d}{dx} \{ e^x \log(1 + x^2) \} = $

જો $f(x) = \sqrt{1 + \cos^2(x^2)}$ હોય,તો $f^{\prime}\left(\frac{\sqrt{\pi}}{2}\right)$ શોધો.

$x = k$ ($k$ એ પૂર્ણાંક છે) આગળ $f(x) = \{x\} \sin(\pi x)$ નું ડાબી બાજુનું વિકલિત શું થાય? (જ્યાં $\{ \}$ એ અપૂર્ણાંક ભાગ વિધેય દર્શાવે છે).

$\frac{d}{dx} \log(\log x) =$

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