If $P(x)=0$ is a polynomial equation of least degree with integer coefficients and $\sqrt{2}+\sqrt{3} i$ is one of its roots,then that equation is

  • A
    $x^6-2 x^4+2 x^2-25=0$
  • B
    $x^5+3 x^4+2 x^2+24=0$
  • C
    $x^4+2 x^2+25=0$
  • D
    $x^4-2 x^2+25=0$

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