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AP EAMCET201724 Apr 2017Morning ShiftMathematicsComplex NumberActual

If is a complex cube root of unity, then _ k=1 ^6 ( ^k+ 1 ^k )^2=

Options

  1. A6
  2. B8
  3. C12
  4. D24

Correct answer

C. 12

Step-by-step solution

No solution. Refer to answer key.

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