જો $\mathop {\lim }\limits_{x \to 0} \frac{{\log (a + x) - \log a}}{x} + k\mathop {\lim }\limits_{x \to e} \frac{{\log x - 1}}{{x - e}} = 1$ હોય,તો

  • A
    $k = e\left( {1 - \frac{1}{a}} \right)$
  • B
    $k = e(1 + a)$
  • C
    $k = e(2 - a)$
  • D
    સમાનતા શક્ય નથી

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ધારો કે $f(x) = \frac{1}{3} x \sin x - (1 - \cos x)$. સૌથી નાનો ધન પૂર્ણાંક $k$ શોધો જેથી $\lim_{x \rightarrow 0} \frac{f(x)}{x^k} \neq 0$ થાય.

$\lim_{x \to 0} \left( \frac{x^2 \sin^2 x}{x^2 - \sin^2 x} \right)$ નું મૂલ્ય શું છે?

જ્યારે $n$ પૂર્ણાંક હોય ત્યારે $\mathop {Lim}\limits_{n \to \infty } \cos \left( {\pi \sqrt {{n^2} + n} } \right)$ શોધો:

$\lim _{x}$ ${\rightarrow \frac{\pi}{2}} \frac{\left(1-\tan \left(\frac{x}{2}\right)\right)(1-\sin x)}{\left(1+\tan \left(\frac{x}{2}\right)\right)(\pi-2 x)^3}$ ની કિંમત શોધો.

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