यदि $x = (7 - 4\sqrt{3})$ है,तो $\left(x + \frac{1}{x}\right)$ का मान ज्ञात कीजिए।

  • A
    $3\sqrt{3}$
  • B
    $8\sqrt{3}$
  • C
    $14$
  • D
    $14 + 8\sqrt{3}$

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