Show that `A B!=B A` in each of the following cases: `A=[1 3-1 2-1-1 3 0-1]` and `B=[-2 3-1-1 2-1-6 9-4]` (ii) `A=[10-4-1-11 5 0 9-5 1]` and `B=[1 2 1 3 4 2 1 3 2]`

A=[[1,3,-12,2,-13,0,-1]] and B=[[-2,3,-1-1,2,-1-6,9,-4]]

Show that A B!=B A in each of the following cases: A=[5-1 6 7] and B=[2 1 3 4] (ii) A=[-1 1 0 0-1 1 2 3 4] and B=[1 2 3 0 1 0 1 1 0] (iii) A=[1 3 0 1 1 0 4 1 0] and B=[0 1 0 1 0 0 0 5 1]

Find AB and BA if exists from the following matrices A and B: (i) A=[{:(2,3,-1),(0,1,2):}]and B=[{:(2,-6),(-4,0):}] (ii) A=[{:(1,2,3),(0,1,-2),(-1,0,-1):}]and B=[{:(0,0,2),(2,0,0),(0,2,0):}] (iii) A=[{:(0,3,4),(2,1,-2),(1,-3,-1):}]and B=[{:(2,1,3),(-1,0,-2):}]

If A=[2-3-5-1 4 5 1-3-4] and B=[2-2-4-1 3 4 1-2-3] , show that A B=A and B A=B .

Show that AB = BA in each of the following cases: (i) A=[{:(costheta,-sintheta),(sintheta,costheta):}]" and "B=[{:(cosphi,-sinphi),(sinphi,cosphi):}] (ii) A=[{:(1,2,1),(3,4,2),(1,3,2):}]" and "B=[{:(" "10,-4,-1),(-11," "5," "0),(" "9,-5," "1):}] (iii) A=[{:(1,3,-1),(2,2,-1),(3,0,-1):}]" and "B=[{:(-2,3,-1),(-1,2,-1),(-6,9,-4):}]

Which of the following will come next in the following sereis? 0 9 0 1 9 0 1 2 9 0 1 2 3 9 0 1 2 3 4 9 0 1 2 3 4 5 9 0 1 2 3 4 5

Show that the following points are collinear: (i) A(2, -2), B(-3, 8) and C(-1, 4) (ii) A(-5, 1), B(5, 5) and C(10, 7) (iii) A(5, 1), B(1, -1) and C(11, 4) (iv) A(8, 1), B(3, -4) and C(2, -5)

IF A = [{:( -2,3,-1),( -1,2,-1),( -6,9,-4) :}] and B = [{:( 1,3,-1),( 2,2,-1),( 3,0,-1) :}] then

If A=[[2,-1,5] , [4,0,3]] and B=[[-2,3,1] , [-1,2,-3]] then find A'+B'