your own question, for FREE!
Is the line through (4,1,-1) and (2,5,3) perpendicular to the line through (-3,2,0) and (5,2,4)? please justify
Join the QuestionCove community and study together with friends!
Suppose a line through point A and B, a second line through C and D:
U = B-A
V = D-C
if U dot V = 0 then perpendicular, as X dot Y = |X|*|Y|*Cos(t) where t is 1angle between the two vectors
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
1 hour ago