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AP EAMCET202421 May 2024Morning ShiftMathematicsQuadratic EquationActual

If (3+i) is a root of x^2+a x+b=0 then a=

Options

  1. A3
  2. B-3
  3. C6
  4. D-6

Correct answer

D. -6

Step-by-step solution

Roots of equation are (3+i) and (3-i) Sum of roots =-a=6 a=-6

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