જો $f(x)$ નું $x = a$ આગળ વિકલન શક્ય હોય,તો $\mathop {\lim }\limits_{x \to a} \frac{xf(a) - af(x)}{x - a}$ ની કિંમત શું થાય?

  • A
    $f(a) - a f'(a)$
  • B
    $a f(a) - f'(a)$
  • C
    $f(a) + f'(a)$
  • D
    $a f(a) + f'(a)$

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નીચેના વિધેયનું વિકલન શોધો: $\frac{1+\frac{1}{x}}{1-\frac{1}{x}}$

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

$\left\{\frac{d}{d x}\left(x^x+x^{x+1}+x^{x+2}\right)\right\}_{x=e} = \text{?}$

જો $y=\log \left(\frac{1+x}{1-x}\right)^{1 / 4}-\frac{1}{2} \tan ^{-1}(x)$ હોય,તો $x=\frac{1}{\sqrt{2}}$ આગળ $\frac{d y}{d x}$ ની કિંમત શોધો.

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

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