$\mathop {\lim }\limits_{x \to 0} \frac{{x\cos x - \log (1 + x)}}{{{x^2}}}$ ની કિંમત શોધો.

  • A
    $1/2$
  • B
    $0$
  • C
    $1$
  • D
    આમાંથી કોઈ નહીં

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

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

$\lim _{x \rightarrow 0} \frac{e^{\tan x}-e^x}{\tan x-x} = $

$\mathop {\lim }\limits_{x \to {1^ + }} \frac{{{{\left( {1 + \left\{ x \right\}} \right)}^{\frac{1}{{\left\{ x \right\}}}}} - \frac{e}{{\sqrt {{e^{\left\{ x \right\}}}} }}}}{{1 - \cos \left\{ x \right\}}}$ ની કિંમત શોધો (જ્યાં $\{.\}$ એ અપૂર્ણાંક ભાગ વિધેય દર્શાવે છે).

જો $\log (1+x)=x-\frac{x^2}{2}+\frac{x^3}{3}-\frac{x^4}{4}+\ldots \infty$ અને $\lim _{x \rightarrow 0} \frac{\log (1+x)^{1+x}}{x^2}-\frac{1}{x}=k$ હોય,તો $12 k=$

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