Question

2. If A = 3i – j + 2k, B = 2i+ j – k and C = i – 2j + 2k, Find,
a) i) (A x B) x C [ 3 Marks]
ii) (A + B) x (A – B) [ 4 Marks]
b) Determine a unit vector perpendicular to the plane of A = 2i – 6j – k and B = 4i – 6j – k

Answer 1

Answer:

ok i will try to solve this problem

Answer 2

Answer:

Sorry, am not quite sure of the answer!

Explanation:

I exactly dunno the steps!