જો $f(x) = \frac{x(a^x - 1)}{1 - \cos x}$ અને $g(x) = \frac{x(1 - a^x)}{a^x(\sqrt{1 - x^2} - \sqrt{1 + x^2})}$ હોય,તો $\lim_{x \to 0} (f(x) - g(x)) = $

  • A
    $3 \log a$
  • B
    $e^a$
  • C
    $2 \log a$
  • D
    $\log a$

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$\lim _{x \rightarrow 0}\left(\frac{\sinh 2 x}{2 x}\right)^{\frac{1}{x^2}} = $

$\lim _{x \rightarrow \frac{\pi}{2}} \frac{1-\tan \frac{x}{2}}{1+\tan \frac{x}{2}} \cdot \frac{1-\sin x}{(\pi-2 x)^3} = $

જો $\mathop {\lim }\limits_{x \to \infty } {\left( {1 + \frac{a}{x} + \frac{b}{{{x^2}}}} \right)^{2x}} = {e^2}$ હોય,તો $a$ અને $b$ ની કિંમતો શોધો.

$\lim _{n \rightarrow \infty}\left(1+\frac{1+\frac{1}{2}+\ldots+\frac{1}{n}}{n^{2}}\right)^{n} = \dots$

લક્ષની કિંમત શોધો: $\mathop {\lim }\limits_{x \to \infty } [x({a^{1/x}} - 1)]$,જ્યાં $a > 1$.

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