જો $a > 0$ અને $\lim _{x \rightarrow a} \frac{a^x - x^a}{x^x - a^a} = -1$ હોય,તો $a$ ની કિંમત શોધો.

  • A
    $0$
  • B
    $1$
  • C
    $e$
  • D
    $2e$

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Similar Questions

જો $f(9)=9$ અને $f^{\prime}(9)=4$ હોય,તો $\lim _{x \rightarrow 9} \frac{\sqrt{f(x)}-3}{\sqrt{x}-3} = $

જો $l_1 = \lim_{x \rightarrow 2^{+}} (x + [x])$,$l_2 = \lim_{x \rightarrow 2^{-}} (2x - [x])$ અને $l_3 = \lim_{x \rightarrow \pi/2} \frac{\cos x}{x - \pi/2}$ હોય,તો:

$\mathop {\lim }\limits_{x \to \alpha } \frac{{\sin x - \sin \alpha }}{{x - \alpha }} = $

જો $f(0) = 2$ હોય,તો $\mathop {\lim }\limits_{x \to 0} \frac{{\int\limits_0^x {\left( {tf(x) + xf(t)} \right)dt} }}{{{x^2}}}$ ની કિંમત શોધો.

$\mathop {\lim }\limits_{x \to 0} \frac{{x\cos x - \sin x}}{{{x^2}\sin x}} = $

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