8. Write OP = (2, 1, -3) using standard unit vectors. a) 2x + y - 3z b ) 2x+j+ 32 c) 27 + j - 3k d) 27 + ]+ 3k 9. Write 0Q = ( 0, -2, 0) using standard unit vectors. a) i - 2j + k b ) - 2 j c) x - 2y + z d) - 2y 10. Write 0Q = 71 - 6k in component form. a) [7, -6] b) [1, 7, -6] C) [7, 6] d) [0, 7, -6] 1 1. Find N, where M = (5, 9, -3) and MN = -3[2, 3, 4] [3 Marks]