If the slope of one of the lines represented by the equation $ax^2 + 2hxy + by^2 = 0$ is $\lambda$ times that of the other,then:

  • A
    $4\lambda h^2 = ab(1 + \lambda)^2$
  • B
    $\lambda h = ab(1 + \lambda)^2$
  • C
    $4\lambda h^2 = ab(1 + \lambda)^2$
  • D
    None of these

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