$\lim _{x \rightarrow 1}\left(\frac{1}{\ln x}-\frac{1}{x-1}\right)$

  • A
    અસ્તિત્વ ધરાવતું નથી
  • B
    $1$
  • C
    $\frac{1}{2}$
  • D
    $0$

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ધારો કે $\alpha$ અને $\beta$ એવી વાસ્તવિક સંખ્યાઓ છે કે જેથી $\lim _{x \rightarrow 0} \frac{1}{x^3}\left(\frac{\alpha}{2} \int_0^x \frac{1}{1-t^2} d t+\beta x \cos x\right)=2$ થાય. તો $\alpha+\beta$ ની કિંમત $....$ છે. ($.40$ માં)

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

જો $\lim _{t}$ ${\rightarrow 0}\left(\int_0^1(3 x+5)^t d x\right)^{\frac{1}{t}}=\frac{\alpha}{5 e}\left(\frac{8}{5}\right)^{\frac{2}{3}}$ હોય,તો $\alpha$ ની કિંમત . . . . . . છે.

$\mathop {\lim }\limits_{x \to 0} \,\frac{{{e^x} - x - 1}}{{{x^2}}}$ ની કિંમત શોધો.

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

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