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The length of the perpendicular drawn from the point (2, 1, 4) to the plane containing the lines vector r = (i + j ) + λ(i +2j - k )

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

(1)  1/3

(2)  1√/3

(3)  3

(4)  √3

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1 Answer

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Best answer

Correct option  (4) √3 

Explanation:

Equation of plane containing both lines is

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