If $\alpha$ and $\beta$ are the roots of the equation $2x^2-4x+3=0$,then $\frac{2(\alpha^4+\beta^4)+3(\alpha^2+\beta^2)}{\alpha+\beta} = $

  • A
    $-1$
  • B
    $-2$
  • C
    $2$
  • D
    $1$

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