MHT CET202019 Oct 2020Evening ShiftPhysicsMathematics in PhysicsActual
The angle subtended by the vector A =4 +3 +12 k with the x -axis is
Options
- A⁻¹ ( 4 13 )
- B⁻¹ ( 3 13 )
- C⁻¹ ( 4 13 )
- D⁻¹ ( 3 13 )
Correct answer
C. ⁻¹ ( 4 13 )
Step-by-step solution
A =4 i+3 j+12 kp=i A B |A||B| 4 16+9+144 1 aligned ^ 1 / 13 & aligned