For what values of p are a= pi - 2j + k and b = 2pi + pj - 4k perpendicular? thanks in advance
G Guest Guest Sep 6, 2006 #1 For what values of p are a= pi - 2j + k and b = 2pi + pj - 4k perpendicular? thanks in advance
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,582 Sep 7, 2006 #2 Hint: Perpendicular means "with a 90° angle between them". What then would be the value of a particular vector product? Eliz.
Hint: Perpendicular means "with a 90° angle between them". What then would be the value of a particular vector product? Eliz.