$\frac{(-1 + i\sqrt{3})^{15}}{(1 - i)^{20}} + \frac{(-1 - i\sqrt{3})^{15}}{(1 + i)^{20}}$ का मान ज्ञात कीजिए।

  • A
    $-64$
  • B
    $-32$
  • C
    $-16$
  • D
    $\frac{1}{16}$

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