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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If one of the roots of the equation 2x^2 - 6x + k = 0 is + 5i 2 , then the value of and k are :

Options

  1. A= 3, k = 8
  2. B= 3 2 , k = 17
  3. C= -3, k = -17
  4. D= 3, k = 17 .

Correct answer

D. = 3, k = 17 .

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