यदि $f$ एक वास्तविक फलन इस प्रकार है कि $f(4)=4$ और $f^{\prime}(4)=16$,तो $\lim _{x \rightarrow 4} \frac{\sqrt{f(x)}-2}{\sqrt{x}-2} =$

  • A
    $16$
  • B
    $12$
  • C
    $8$
  • D
    $2$

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यदि $\lim _{x}$ ${\rightarrow 1} \frac{(5 x+1)^{1 / 3}-(x+5)^{1 / 3}}{(2 x+3)^{1 / 2}-(x+4)^{1 / 2}}=\frac{m \sqrt{5}}{n(2 n)^{2 / 3}}$,जहाँ $\operatorname{gcd}(m, n)=1$,तो $8 m+12 n$ का मान ज्ञात कीजिए।

$\mathop {\lim }\limits_{\alpha \to \beta } \left[ {\frac{{{{\sin }^2}\alpha - {{\sin }^2}\beta }}{{{\alpha ^2} - {\beta ^2}}}} \right] = $

यदि $f(3) = 6$ और $f'(3) = 2$ है,तो $\mathop {\text{Limit}}\limits_{x \to 3} \frac{x f(3) - 3 f(x)}{x - 3}$ का मान ज्ञात कीजिए:

यदि $f^{\prime \prime}(0)=k, k \neq 0,$ है, तो $\lim _{x \rightarrow 0} \frac{2 f(x)-3 f(2 x)+f(4 x)}{x^{2}}$ का मान क्या है?

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

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