The length of the perpendicular drawn from the point (2, 1, 4) to the plane containing the lines → r = ( j ˆ i ˆ + ) + λ ( k ˆ – j ˆ 2 i ˆ + ) and → r = ( j ˆ i ˆ + ) + μ(– k ˆ 2 – j ˆ i ˆ + ) is :

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The length of the perpendicular drawn from the point (2, 1, 4) to the plane containing the lines → r = ( j ˆ i ˆ + ) + λ ( k ˆ – j ˆ 2 i ˆ + ) and → r = ( j ˆ i ˆ + ) + μ(– k ˆ 2 – j ˆ i ˆ + ) is :

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