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Multiple choice

If one of the roots of the equation $2x^2 - 6x + k = 0$ is $(\alpha + 5i ) / 2$ , then the values of $\alpha$ and $k$ are

  1. $\alpha = 3 , k = 8$
  2. $\alpha = \dfrac{3}{2} , k = 17$
  3. $\alpha = 2 , k = 16$
  4. $\alpha = 3 , k = \dfrac{17}{2}$
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