Preview 1
a Find a vector equation of the straight line l1 which passes through A and B. The line l2 has the equation r = 4i − 3j + 5k + µ(−5i + j − 2k). b Show that lines l1 and l2 intersect and find the position vector of their point of intersection. c Find, in degrees, the acute angle between lines l1 and l2.
Preview 1
Preview 2
Preview 3
Preview 4
Preview 5
Preview 6