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Find the vector equation of the plane th...

Find the vector equation of the plane that contains the lines `vec r=(hati+hatj)+lambda(hati+2hatj-hatk)` and `vec r=(hati+hatj)+mu(-hati+hatj-2hatk)`.Also find the length of the perpendicular drawn from the point (2,1,4) to the plane thus obtained.

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The correct Answer is:
`vec r.(-hati+hatj+hatk)=0` and `sqrt(3)`unit
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