Show that the lines L₁ : x = 4-t, y = 2t, z = 1+ t and L₂ : x = 1 + 2t, y = 3 - 4t, z = 5 – 2t are parallel and find the distance between them. NOTE: Enter the exact answer. L₁ and L₂ are parallel because they are parallel to vectors v₁ and v₂ that satisfy : Choose one D= ||

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