Consider the coordinate vectors -3, [9]s 1, [B]s= H 2 (a) Find w if S is the basis in {(3, 1,-4), (2, 5, 6), (1, 4, 8)}. [w]s - *** w = (?,?,?) (b) Find q if S is the basis in a +1, x - 1, 2r - 1. 9 - (c) Find B if S is the basis in B = 7 5 3 -BA 1 3 12