VectorHard
Question
If 
and 
are unit vectors and 60o is the angle between them, then (2
− 3 
). (4
+ 
) equals-
and are unit vectors and 60o is the angle between them, then (2 − 3 ). (4 + ) equals-Options
A.5
B.0
C.11
D.None of these
More Vector Questions
and are mutually perpendicular unit vectors. is a vector satisfying and = 1, then is -...If ABCD is a quadrilateral, then the resultant of the forces represented by ,, and is -...( + 2 − ){( − ) × ( − − )} is equal to -...Two vectors will be equal when-...Let be two unit vectors. If the vectors are perpendicular to each other, then the angle between is :...