यदि $A \neq 0$ और $x > 0$ है,तो $\lim _{n \rightarrow \infty} \frac{\cos x - e^{nx}}{1 - A e^{nx}} = $

  • A
    अस्तित्व में नहीं है
  • B
    $1$
  • C
    $\frac{\cos x}{A}$
  • D
    $\frac{1}{A}$

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