The length of the perpendicular drawn fr...

The length of the perpendicular drawn from the point (2, 1, 4) to the plane containing the lines `r=(hati+hatj)+lambda(hati+2hatj-hatk)" and "r=(hati+hatj)+mu(-hati+hatj-2hatk)` is

A

3

B

`1//3`

C

`sqrt3`

D

`(1)/(sqrt3)`

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The correct Answer is:

C

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