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 $\mathop {\lim }\limits_{x \to 0} \frac{{\log (3 + x) - \log (3 - x)}}{x} = k$ હોય,તો $k$ ની કિંમત શોધો.

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જ્યાં $x > 0$ હોય,ત્યારે $\lim _{x \rightarrow 0^+} ((\sin x)^{\frac{1}{x}} + (\frac{1}{x})^{\sin x})$ ની કિંમત શોધો.

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