यदि $\mathop {\lim }\limits_{x \to \infty } {\left( {1 + \frac{a}{x} - \frac{4}{{{x^2}}}} \right)^{2x}} = {e^3},$ है,तो $a$ का मान ज्ञात कीजिए।

  • A
    $2$
  • B
    $\frac{3}{2}$
  • C
    $\frac{1}{2}$
  • D
    $\frac{2}{3}$

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यदि $\mathop {\lim }\limits_{x \to \infty } \frac{e^{\mu x} + 5}{e^{100x} + 7}$ का अस्तित्व है,तो $\mu$ के सभी संभावित धनात्मक पूर्णांक मानों का योग है:

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