Fill in the blanks
If 
is any non-zero vector, then 
equals ______.
Let 
Now, taking dot product of 
with 
, we get
⇒ 
⇒ 
Similarly, taking dot product of 
with 
,we get
⇒ 
40
Fill in the blanks
If is any non-zero vector, then equals ______.
Let
Now, taking dot product of with , we get
⇒
⇒
Similarly, taking dot product of with ,we get
⇒