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AP EAMCET201824 Apr 2018Evening ShiftMathematicsComplex NumberActual

If is a complex cube root of unity and a, b, c are distinct real numbers, then a+b +c ^2 c+a +b ^2 + a+b +c ^2 b+c +a ^2 =

Options

  1. A1
  2. B-1
  3. Ca+b+c
  4. D0

Correct answer

B. -1

Step-by-step solution

No solution. Refer to answer key.

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