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AP EAMCET201724 Apr 2017Morning ShiftMathematicsQuadratic EquationActual

If , are the roots of the equation x^2-2 x+4=0 and for any n N , ^n+ ^n=k n 3 then k=

Options

  1. A2^n
  2. B2^ n+1
  3. C2^n-1
  4. D2^n+1

Correct answer

B. 2^ n+1

Step-by-step solution

No solution. Refer to answer key.

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