જો $f(x)$ એ વિકલનીય વિધેય હોય,તો $\mathop {\lim }\limits_{x \to a} \frac{af(x) - xf(a)}{x - a}$ ની કિંમત શું થાય?

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

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જો $\alpha = \lim_{x \rightarrow 0} \frac{x \cdot 2^x - x}{1 - \cos x}$ અને $\beta = \lim_{x \rightarrow 0} \frac{x \cdot 2^x - x}{\sqrt{1+x^2} - \sqrt{1-x^2}}$,હોય તો

$\mathop {\lim }\limits_{x \to 0} \frac{{{{27}^x} - {9^x} - {3^x} + 1}}{{\sqrt 5 - \sqrt {4 + \cos x} }}$ ની કિંમત શોધો.

$\mathop {\lim }\limits_{x \to 0} \frac{{{{\sin }^{ - 1}}x - {{\tan }^{ - 1}}x}}{{{x^3}}}$ ની કિંમત શોધો.

$\mathop {\lim }\limits_{x \to 0} \frac{{{{(1 + x)}^{1/2}} - {{(1 - x)}^{1/2}}}}{x} = $

$\mathop {\lim }\limits_{x \to 0} \frac{{{e^{\sin x}} - 1}}{x} = $

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