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Complex Numbers — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsComplex Numbers1 Mark
MCQ
$\frac{{{(-1+i\sqrt{3})}^{15}}}{{{(1-i)}^{20}}}+\frac{{{(-1-i\sqrt{3})}^{15}}}{{{(1+i)}^{20}}}$ is equal to [AMU 2000]
  • ✓
     - 64
  • B
     - 32
  • C
     - 16
  • D
     $\frac{1}{16}$
✓

Answer

Correct option: A.
 - 64
A

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