Find if for a unit vector
If is the unit vector and then find
If and then what can be concluded about the vector ?
If either vector But the converse need not be true. Justify your answer with an example.
If show that are perpendicular to each other.
If then show that the vectors
Short Answer Type
But the converse need not be true. Justify your answer with an example. 
if for a unit vector 
is the unit vector and 
then find 
and 
then what can be concluded about the vector 
?
Switch
and 
if 
and 
show that 
are 
then show that the vectors 
perpendicular to each other?
