Compute the products `A B` and `B A` whichever exists in each of the following cases: `A=[1\ -1\ \ 2\ \ 3]` and `B=[0 1 3 2]` (ii) `[a\ \ b][c d]+[a\ \ b\ \ c\ \ d][a b c d]`

Compute the products AB and BA whichever exists in each of the following cases: A=[1-123] and B=[0132]( ii) [aquad b][cd]+[abcd][abcd]

Compute the products AB and BA whichever exists in each of the following cases: A=[1-223] and B=[123231]( ii) A=[32-10-11] and B=[456012]

Compute the products A B and B A whichever exists in each of the following cases: A=[[1,-2],[ 2, 3]] and B=[[1, 2,3],[ 2,3, 1]] (ii) A=[[3, 2],[-1, 0],[-1, 1]] and B=[[4, 5, 6],[ 0, 1 ,2]]

Find the values of each of the following expressions for a=1,\ b=2\ a n d\ c=-1. (i) a^2+b^2+2a b (ii) 2a^2-b^2c+3a b c

Find the values of each of the following expressions for a=1,\ b=2\ a n d\ c=-1. (i) a^3+b^3+c^3-3a b c (ii) a^2+b^2+c^2-a b-b c-c a

Match the following. (A) 1-c, 2-b, 3-a (B) 1-b, 2-c, 3-a (C) 1-a, 2-b, 3-c (D) 1-a, 2-c, 3-b

If the solution set of the inequaiton (x+4)(x-1)(x-3)(x+1)<0 is x in (a , b)uu(c , d) then (a) a+b+c+d=1 (b) a+b+c+d=2 (c) a b c d=12 (d) a b+c d=7