If a, b, c are unit vectors, then |a – b| + |b – c| + |c – a| does not exceed
A. 4
B. 9
C. 8
D. 6
Answer:B
If a, b, c are unit vectors, then |a – b| + |b – c| + |c – a| does not exceed
A. 4 B. 9 C. 8 D. 6