If $y = mx$ is one of the bisectors of the angle between the lines $ax^2 - 2hxy + by^2 = 0$,then

  • A
    $h(1 + m^2) + m(a - b) = 0$
  • B
    $h(1 - m^2) + m(a + b) = 0$
  • C
    $h(1 - m^2) + m(a - b) = 0$
  • D
    $h(1 + m^2) + m(a + b) = 0$

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