જો $\lim _{x \rightarrow 0} \frac{a x e^{x}-b \log (1+x)}{x^{2}}=3$ હોય, તો $a$ અને $b$ ની કિંમતો અનુક્રમે શું થાય?

  • A
    $2, 2$
  • B
    $1, 2$
  • C
    $2, 1$
  • D
    $2, 0$

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$\mathop {\lim }\limits_{x \to \pi /2} \left[ {x\tan x - \left( {\frac{\pi }{2}} \right)\sec x} \right] = $

$\mathop {\lim }\limits_{x \to 0^+} {x^x} = $

$\lim _{x}$ ${\rightarrow 0} \frac{x+2 \sin x+3 \tan x-\tan ^3 x}{\sqrt{x^2+2 \sin x+\tan x+3}-\sqrt{\sin ^2 x-2 \tan x-x+3}} =$

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