(1) Find the components of AB, with A = (3,5,1) and B = (1,9,0). (2) Let [2,3, -6]. (a) Find the magnitude of 7. (b) Find the unit vector having the same direction as 7. (c) Find the vector with the same direction as 7and |||| = 21. (d) Find the unit vector having the opposite direction as 7. (3) Let = [2,-1] and [2,4]. Find the magnitude of the two diagonals of the parallelogram spanned by 7 and 7.