P1 Linear Combination 2 {J 6 10 Let, A = [1 8 5] let I) = [ 3 ], and let W be the set of all linear combinations of 1 2 1 7 columns of A. a. Is bin W? b. Show that the second column of A is in W. Please add your solution here. P2 Linear Combination Determine if b is a linear combination of the a1, a; and as. l 0 5 2 a]: 2 ~32 : l .33: 6 ab: 1 0 2 8 5 Please add your solution here. P3 Linearly Independent Vectors U U 1 Are vectors v1: 2 ,v2 = 1 ,v3 = 3 linearly independent? Show work. 3 8 1 Please add your solution here. P4 - Basis for the null space 2 -6 1 5 Find a basis for the null space of A = 2 6 9 15 O 14 P4 - Solution Please add your solution here