The shortest distance between the lines r = a + b and *r = a + c is (b, c** are non-collinear)
(a) 0
(b) b.c
(c) b.c/|a|
(d) of these
Correct Option**(a) 0**
Explanation:
The two lines are intersecting as both of these contain the point A(a).
Hence, the SD between these lines is 0.
