# Image of the point P with position vector , has the position vector: Option 1) (-9,5,2) Option 2) (9,5,-2) Option 3) (9,-5,-2) Option 4) None

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Perpendicular distance of a point from a line, foot of perpendicular and image (Cartesian form ) - - wherein L be the foot of perpendicular drawn from on the line Co-ordinates of L will be DR's of PL will be PL is perpendicular to line, Find and put in coordinates of L Distance between P and L is perpendicular distance Image Q can be obtained by applying mid point formula in P and Q and equating it to L obtained.   We have equation of the line in cartesian form:  lie on the given line.

So,    So, Putting iv (i),    So, Option 1)

(-9,5,2)

This solution is incorrect

Option 2)

(9,5,-2)

This solution is correct

Option 3)

(9,-5,-2)

This solution is incorrect

Option 4)

None

This solution is incorrect

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