જો વિધેય $f$ એ $f(x) = \frac{\cot^3 x - \tan x}{\cos(x + \pi/4)}$ દ્વારા $x \neq \pi/4$ માટે વ્યાખ્યાયિત હોય,તો $\lim_{x \rightarrow \pi/4} f(x) = $

  • A
    $4$
  • B
    $8$
  • C
    $8/3$
  • D
    $16$

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જો $0 < x < \frac{\pi}{2}$ હોય,તો

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ધારો કે $S$ એ તમામ $(\alpha, \beta) \in \mathbb{R} \times \mathbb{R}$ નો ગણ છે કે જેથી $\lim _{x \rightarrow \infty} \frac{\sin(x^2)(\log_e x)^\alpha \sin(1/x^2)}{x^{\alpha \beta}(\log_e(1+x))^\beta} = 0$ થાય. તો નીચેનામાંથી કયું (કયા) સાચું છે?

$\mathop {\lim }\limits_{x \to \infty } \frac{{2{x^2} - 3x + 1}}{{{x^2} - 1}} = $

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