Question 175884
let matrix A be {{{(matrix(2,2,2,1,4, -2))}}}
let matrix B be {{{(matrix(2,2,3,-4,5,1))}}}
:
AB={{{(matrix(2,2,2,1,4, -2))}}}{{{(matrix(2,2,3,-4,5,1))}}}={{{(matrix(2,2,1,-7,22,-12))}}}
:
BA={{{(matrix(2,2,3,-4,5,1))}}}{{{(matrix(2,2,2,1,4, -2))}}}={{{(matrix(2,2,14,11,6,7))}}}