Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (samigupta8):

The straight lines whose direction cosine are given by the equations al+bm+cn=0 and ul^2+vm^2+wn^2=0 are parallel under what conditions?

OpenStudy (samigupta8):

@hartnn @priyar @parthkohli pls help...

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!
Latest Questions
Arriyanalol: i need help
1 day ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
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!