ધારો કે $f(x) = \mathop {\text{Lim}}\limits_{h \to 0} \frac{1}{h} \int\limits_x^{x + h} \frac{dt}{t + \sqrt{1 + t^2}}$,તો $\mathop {\text{Lim}}\limits_{x \to -\infty} x \cdot f(x)$ શું થાય?

  • A
    $0$ ની બરાબર
  • B
    $\frac{1}{2}$ ની બરાબર
  • C
    $1$ ની બરાબર
  • D
    અસ્તિત્વ ધરાવતું નથી

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Similar Questions

જો $f(x) = x^3 + e^{x/2}$ અને $g(x) = f^{-1}(x)$ હોય,તો $g'(1)$ ની કિંમત શોધો.

જો $f(x) = \frac{\sin^{2} x}{1+\cot x} + \frac{\cos^{2} x}{1+\tan x}$ હોય,તો $f^{\prime}\left(\frac{\pi}{4}\right)$ શોધો.

$\frac{d}{d x}\left[\cos ^2\left(\cot ^{-1} \sqrt{\frac{2+x}{2-x}}\right)\right]$ ની કિંમત શોધો.

$x = \frac{1-\sqrt{y}}{1+\sqrt{y}} \Rightarrow \frac{dy}{dx}$ ની કિંમત શોધો.

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

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