$\lim _{x \rightarrow 1} \frac{\tan \left(x^{2}-1\right)}{x-1}$ ની કિંમત શોધો.

  • A
    $2$
  • B
    $\frac{1}{2}$
  • C
    $-2$
  • D
    $\frac{-1}{2}$

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જો $f(3) = 6$ અને $f'(3) = 2$ હોય,તો $\mathop {\text{Limit}}\limits_{x \to 3} \frac{x f(3) - 3 f(x)}{x - 3}$ ની કિંમત શોધો:

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

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)

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