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 $y = \sinh^{-1}\left(\frac{1-x}{1+x}\right)$ હોય,તો $\frac{dy}{dx}$ શોધો.

$\frac{d}{dx} \left( \frac{2 \tan x}{1 + \tan^2 x} \right) = $ . . . . . .

જો $f(x) = \sqrt{ax} + \frac{a^2}{\sqrt{ax}}$ હોય,તો $f'(a) = $

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