यदि $f: R \rightarrow R$ इस प्रकार है कि $f(3)=16$ और $f^{\prime}(3)=4$,तो $\lim _{x \rightarrow 3} \frac{x f(3)-3 f(x)}{x-3}$ का मान ज्ञात कीजिए।

  • A
    $4$
  • B
    $6$
  • C
    $8$
  • D
    $12$

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$\lim _{x \rightarrow 1}\left((1-x) \tan \left(\frac{\pi x}{2}\right)\right)=$

$\lim _{x \rightarrow 0} \frac{4^x-9^x}{x(4^x+9^x)}$ का मान ज्ञात कीजिए।

$\mathop {\lim }\limits_{x \to 0} \frac{{{{(1 + x)}^{1/2}} - {{(1 - x)}^{1/2}}}}{x} = $

यदि $\mathop {\lim }\limits_{x \to a} \frac{{{a^x} - {x^a}}}{{{x^x} - {a^a}}} = - 1$,तो

$\lim _{x \rightarrow 0} \frac{\pi^{x}-1}{\sqrt{1+x}-1}$

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