AP EAMCET2020MathematicsVector Algebra
If a , b , c are unit vectors such that a b = a c =0 and the angle between b and c is / 3 , then a is equal to
Options
- A2( b c ) only
- B-2( b c ) only
- C2 3 ( b c )
- D2( b c )
Correct answer
C. 2 3 ( b c )
Step-by-step solution
No solution. Refer to answer key.