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AP EAMCET201725 Apr 2017Evening ShiftMathematicsComplex NumberActual

_ n=1 ²⁰ [ ( 2 n 21 )-i ( 2 n 21 ) ]=

Options

  1. A1
  2. B-1
  3. Ci
  4. D-i

Correct answer

C. i

Step-by-step solution

No solution. Refer to answer key.

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