Mark (√) against the correct answer in each of the following:
If 
and 
are mutually perpendicular unit vectors then 
Given - 
are three mutually perpendicular unit vectors
To find - 
Tip – 
& 
So,
=3
1
Mark (√) against the correct answer in each of the following:
If and are mutually perpendicular unit vectors then
Given - are three mutually perpendicular unit vectors
To find -
Tip – &
So,
=3