Question

if [A=1234] [B=0131] find 1) addition (A+B) 2) Multiplication ​

Answer 1

Answer:

MAY THIS WILL HELP U

Step by step:

1) Addition

1 2 3 4

+ 0 1 3 1

1 3 6 5

2) Multiplication

1 2 3 4

× 0 1 3 1

1 2 3 4

+ 3 7 0 2 X

+ 1 2 3 4 X X

+ 0 0 0 0 X X X

0 1 6 1 6 5 4

PLEASE MARK ME AS A BRAINLIST

Answer 2

Answer:

If `A = [(1,-2,3),(-4,2,5)], B = [(2,3),(4,5),(2,1)]` do AB and BA exist? If they exist, find them. Do A and B commute with respect to multiplication?