Answer to Question #52239 in Vector Calculus for vi

Question

If U = I + 3j - 2k and V = 4i - 2j - 4k are vectors, find (2U + V) . ( U - 2V )
4
3
5
6
7 If
r4=r1+r2+r3
. Which of the vectors are linearly dependence on each .

r1

r3

r2

r4
8 A vector quantity has both magnitude and ----.
direction
time
magnitude
scalar
9 What does the symbol i,j,k denote
distance
velocity
unit vector
angle
10 Evaluate the vectors (2i - 3j).[(I +j - k) x (3i - k)]
7
4
6
2