यदि $\lim _{x \rightarrow 0} \frac{\left(e^{k x}-1\right) \sin k x}{x^{2}}=4$ है,तो $k$ का मान ज्ञात कीजिए।

  • A
    $2$
  • B
    $-2$
  • C
    $\pm 2$
  • D
    $\pm 4$

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Similar Questions

यदि $\lim_{x \to 0} \frac{(4^x - 1)^3}{\tan(\frac{x}{4}) \log(1 + \frac{x^2}{3})} = 96(\log a)^b$, तो $(a + b) = $

नीचे दो कथन दिए गए हैं:
कथन $I$: $\lim _{x \rightarrow 0} \left( \frac{\tan ^{-1} x + \log _e \sqrt{\frac{1+x}{1-x}} - 2x}{x^5} \right) = \frac{2}{5}$
कथन $II$: $\lim _{x \rightarrow 1} \left( x^{\frac{2}{1-x}} \right) = \frac{1}{e^2}$
उपरोक्त कथनों के आलोक में,नीचे दिए गए विकल्पों में से सही उत्तर चुनें:

$\lim _{x \rightarrow 0}(1+3x)^{\frac{2}{x}} = $

यदि $\operatorname{Lim}_{x \rightarrow 0}\left(\frac{\tan x}{x}\right)^{\frac{1}{x^2}}=p$ है,तो $96 \log _e p$ का मान . . . . . . है।

यदि $\sum_{r=1}^{n}(2r-1) = x$ है,तो $\lim_{n}$ ${\rightarrow \infty} \left[ \frac{1^3}{x^2} + \frac{2^3}{x^2} + \frac{3^3}{x^2} + \ldots + \frac{n^3}{x^2} \right]$ का मान ज्ञात कीजिए।

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