Q.

A straight line L intersects perpendicularly both the lines:

x+22=y+63=z-34-10  and  x+64=y-7-3=z-7-2

Then the square of perpendicular distance of origin from L is

1 5  
2 6  
3 7  
4 8  

Ans.

(1)

Line L is the shortest distance line of given lines.