$\lim _{x \rightarrow 1} \frac{a b^x-a^x b}{x^2-1} = $

  • A
    $\frac{-ab}{2} \log \left(\frac{b}{a}\right)$
  • B
    $\frac{ab}{2} \log \left(\frac{b}{a}\right)$
  • C
    $a b \log \left(\frac{b}{a}\right)$
  • D
    $-a b \log \left(\frac{b}{a}\right)$

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Similar Questions

લક્ષ $\mathop {\lim }\limits_{x \to 0} \frac{{{e^x} - {e^{ - x}} - 2x}}{{x - \sin x}}$ ની કિંમત શોધો.

ધારો કે $f: R \rightarrow R$ એ $x=0$ આગળ વિકલનીય છે. જો $f(0)=0$ અને $f'(0)=2$ હોય,તો $\lim _{x \rightarrow 0} \frac{1}{x} [f(x)+f(2 x)+f(3 x)+\ldots+f(2015 x)]$ ની કિંમત શોધો.

જો $f(1) = 1$ અને $f'(1) = 2$ હોય,તો $\mathop {\lim }\limits_{x \to 1} \frac{{\sqrt {f(x)} - 1}}{{\sqrt x - 1}}$ ની કિંમત શોધો.

જો $f(1) = 1$ અને $f'(1) = 4$ હોય,તો $\mathop {\lim }\limits_{x \to 1} \frac{{\sqrt {f(x)} - 1}}{{\sqrt x - 1}}$ નું મૂલ્ય શોધો.

$\mathop {\lim }\limits_{\theta \to \frac{\pi }{2}} \frac{\frac{\pi }{2} - \theta}{\cot \theta} =$

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