The value of $\lambda$ for which the straight line $\frac{x-\lambda}{3}=\frac{y-1}{2+\lambda}=\frac{z-3}{-1}$ may lie on the plane $x-2y=0$ is

  • A
    $2$
  • B
    $0$
  • C
    $-\frac{1}{2}$
  • D
    there is no such $\lambda$

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