`A=[{:(3,1),(0,4):}]and B = [{:(1,1),(0,2):}]`, then which of the following is/are correct ?
I. AB is defined
II. BA is defined
III. AB = BA
Select the correct answer using the codes given below.

If A is an orthogonal matrix of order 3 and B = [{:(1,2,3),(-3,0,2),(2,5,0):}] , then which of the following is/are correct ? 1. |AB|= +- 47 2. AB = BA Select the correct answer using the code given below :

If A=[{:(1,1,-1),(2,-3,4),(3,-2,3):}]and B=[{:(-1,-2,-1),(6,12,6),(5,10,5):}] then which of the following is/are correct ? 1. A and B commute. 2. AB is a null matrix. Select the correct answer using the code given below :

A=[{:(1,-1),(2,3):}]and B=[{:(2,3),(-1,-2):}] , then which of the following is/are correct ? 1. AB(A^(-1)B^(-1)) is a unit matrix. 2. (AB)^(-1)=A^(-1)B^(-1) Select the correct answer using the code given below :

If A=[{:(1,-1),(2,3):}] and B=[{:(2,3),(-1,-2):}] then which of the following is/are correct ? 1. AB (A^(-1)B^(-1)) is a unit matrix. 2. (AB)^(-1)=A^(-1)B^(-1) Select the correct answer using the codes given below :

Let A and B be two matrices such that AB = A and BA = B. Which of the following statements are correct ? 1. A^(2) = A 2. B^(2)=B 3. (AB)^(2)=AB Select the correct answer using the code given below :

If A[{:(3,-4),(1,1),(2,0):}] and B=[{:(2,1,2),(1,2,4):}] , then verify AB = BA or not?

If (a, b) is at unit distance from the line 8x+6y+1=0 , then which of the following conditions are correct ? 1. 3a-4b-4=0 2. 8a+6b+11=0 3. 8a+6b-9=0 Select the correct answer using the code given below :

if A=[{:(4,0,-3),(1,2,0):}]and B=[{:(2,1),(1,-2),(3,4):}]' then find AB and BA.

if A=[{:(4,0,-3),(1,2,0):}]and B=[{:(2,1),(1,-2),(3,4):}]' then find AB and BA.

If A=[{:(2,3,-1),(1,4,2):}] and B=[{:(2,3),(4,5),(2,1):}] , then AB and BA are defined and equal .