$\lim _{x \rightarrow 0} \frac{4^x-9^x}{x(4^x+9^x)}$ ની કિંમત શોધો.

  • A
    $\log \frac{2}{3}$
  • B
    $\log \frac{3}{2}$
  • C
    $\frac{1}{2} \log \frac{2}{3}$
  • D
    $\frac{1}{2} \log \frac{3}{2}$

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$\mathop {\lim }\limits_{x \to \pi /4} \frac{{\sqrt 2 \cos x - 1}}{{\cot x - 1}} = $

$\lim _{x \rightarrow 0} \frac{\cos 2x - \cos 3x}{\cos 4x - \cos 5x} = $

ધારો કે $f: R \rightarrow R$ એક વિધેય છે જેથી $f(2)=4$ અને $f^{\prime}(2)=1$ થાય. તો,$\lim _{x \rightarrow 2} \frac{x^{2} f(2)-4 f(x)}{x-2}$ ની કિંમત શોધો.

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

$\mathop {\lim }\limits_{\alpha \to \pi /4} \frac{{\sin \alpha - \cos \alpha }}{{\alpha - \frac{\pi }{4}}} = $

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