NDA2024MathematicsVector AlgebraActual
Let ABCDEF be a regular hexagon. If AD =m BC and CF =n AB , then what is m n equal to?
Options
- A-4
- B-2
- C2
- D4
Correct answer
A. -4
Step-by-step solution
In a regular hexagon, aligned & AB =2 FC & AB =-2 CF & n =-2 aligned Also, AD =2 BC m =2 Now, m n=2(-2)=-4