જો ${x_n} = \frac{{1 - 2 + 3 - 4 + 5 - 6 + \dots - 2n}}{{\sqrt {{n^2} + 1} + \sqrt {4{n^2} - 1} }},$ હોય,તો $\mathop {\lim }\limits_{n \to \infty } {x_n}$ ની કિંમત શોધો.

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

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$x \rightarrow 0$ હોય ત્યારે $\left[\frac{1}{x^{2}}+\frac{(2013)^{x}}{e^{x}-1}-\frac{1}{e^{x}-1}\right]$ ની લક્ષ કિંમત શું થાય?

જ્યારે $x \to \frac{\pi}{4}$ હોય ત્યારે વિધેય $f(x) = \frac{2\sqrt{2} - (\cos x + \sin x)^3}{1 - \sin 2x}$ ની લક્ષ કિંમત શોધો.

લક્ષની કિંમત શોધો: $\mathop {\lim }\limits_{x \to \infty } [x({a^{1/x}} - 1)]$,જ્યાં $a > 1$.

$\lim _{x \rightarrow \infty}\left(\frac{2 x^2+3 x+4}{x^2-3 x+5}\right)^{\frac{3|x|+1}{2|x|-1}} = $

$\lim_{x \to 0} \left[ \frac{x \cdot \log(1 + 4x)}{(e^{4x} - 1)^2} \right] = \dots$

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