Lines intersection and perpendicular distance (… | ExamDuo
3D Line Equations and Skew
Medium
Lines intersection and perpendicular distance
Let L1 : and
L2 : , α R, be two lines, which intersect at the point B. If P is the foot of perpendicular from the point A(1, 1, –1) on L2, then the value of 26 α(PB)2 is ____.
and
, α 
R, be two lines, which intersect at the point B. If P is the foot of perpendicular from the point A(1, 1, –1) on L2, then the value of 26 α(PB)2 is ____.