VectorHard
Question
Vectors 
+ 
and 
− 
are perpendicular, when-
+ and − are perpendicular, when-Options
A. = 0
= 0B. + = 0 or − = 0
+ = 0 or − = 0C. = 0
= 0D.None of these
More Vector Questions
If = , then...If A, B, P, Q, R be any five points in a plane and forces , , act at the point A and forces , , act at the point B, then...Let and a unit vector be coplanar is perpendicular to , then is equal to...If || = ||, then ( + ). ( − ) is-...If = (1, 1 − 1), = (1, − 1, 1), then a unit vector which is perpendicular to and coplanar with and is given ...