AP EAMCET201824 Apr 2018Evening ShiftMathematicsComplex NumberActual
If ₁, ₂, ₃ , _n are real numbers, ₁ 0 and z= +i is a root of the equation ₁+ ₂ z+ ₃ z^2+ + _n z^ n-1 +z^n=0 , then ₁ n + ₂ (n-1) + + _n =
Options
- A1+i
- B1
- C-1
- D1-i
Correct answer
C. -1
Step-by-step solution
No solution. Refer to answer key.