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

  • A
    $a = 1, b = 2$
  • B
    $a = 1, b \in \mathbb{R}$
  • C
    $a \in \mathbb{R}, b = 2$
  • D
    $a \in \mathbb{R}, b \in \mathbb{R}$

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