1. If u = [1,-3,-2] and v = [4,-5,3] find: a) 2u - 3v [2] b) Ju + v - 5jl [3] = 2 [1 -3, - 27 -3[4, -5, 3] " + V - 5 5 = 1- 3, - 212+47- 57+ 3K- 35 = [12 , - 6, - 4 ] - [12, 15;9] = 5 7 - 137 + K = [- 10, 9,- 137 = [ s , - 13, '] 1 utv - 521 = \\25 + 169+ 1 = 195 c) Find Q, where P (-7,5,-1) and PQ = 2u [3] PQ = Zu OQ - OP = Zu 6 Q = 08 + 2u 5 Q = Q = [-5, -1,-3 d) Find w which is orthogonal to both u & v [3]