Q42.webp

Kizspy Question: 42
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. None of other choices is correct
D. (iii)
E. (iv)
FJOVERFLOW.COM
The angle between vectors u = [-1; 1; 2] and v = [2; 1; -1]
is
km
(ii)
4π
m
(iii)
26
(iv) 217