If $\alpha, \beta$ are the roots of the quadratic equation $x^{2}+p x+q=0,$ then the values of $\alpha^{3}+\beta^{3}$ and $\alpha^{4}+\alpha^{2} \beta^{2}+\beta^{4}$ are respectively

  • A
    $3 p q-p^{3}$ and $p^{4}-3 p^{2} q+3 q^{2}$
  • B
    $-p(3 q-p^{2})$ and $(p^{2}-q)(p^{2}+3 q)$
  • C
    $p q-4$ and $p^{4}-q^{4}$
  • D
    $3 p q-p^{3}$ and $(p^{2}-q)(p^{2}-3 q)$

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