Which is a true statement about the following two vectors? V₁ = i +2j+k V₂ = i +3j - 7k O A. The angle between the vectors is 17.4⁰. B. Both vectors pass through the point (0, -1, 6) OC. The vectors are orthogonal O D. The vectors are coincident O E. The vectors are parallel.

Consider the vectors à = 3£ + 2y + 2, B = −2+ý-22 y C = â + 2y +42 Express the following vectors in their Cartesian coordinates. S=AxC+BxC

If the magnitudes of OA and OB are 10 mm and 20 mm, respectively, find (i) The vector form for vector OA. (ii) The vector form for vector OB. (iii) The coordinate direction angles of vector OA. X Z 60° 60° ↓ 120° A 45° 45° B y