Determination the product `[{:(,1,-1,1),(,1,-2,-2),(,2,1,3):}] [{:(,-4,4,4),(,-7,1,3),(,5,-3,-1):}]` and use it to solve the system of equations `x-y+z=4, x-2y-2z=9, 2x+y+3z=1`

The system of equations x +2y+3z=1, x-y+4z=0, 2x+y+7z=1 has

Determine the product [(-4, 4, 4),(-7, 1, 3),( 5,-3,-1)][(1,-1, 1),( 1,-2,-2),( 2, 1, 3)] and use it to solve the system of equations: x-y+z=4,\ \ x-2y-2z=9,\ \ 2x+y+3z=1.

Solve the following system of equations: x-y+z=4,\ \ \ \ x-2y-2z=9,\ \ \ \ 2x+y+3z=1

Use product {:[( 1,-1,2),( 0,2,-3),( 3,-2,4) ]:} {:[( -2,0,1),(9,2,-3),(6,1,-2) ]:} to solve the system of equations x-y+2z=1 2y-3z=1 3x-2y+4z =2

Use product {:[( 1,-1,2),( 0,2,-3),( 3,-2,4) ]:} {:[( -2,0,1),(9,2,-3),(6,1,-2) ]:} to solve the system of equations x-y+2z=1 2y-3z=1 3x-2y+4z =2

Given A = [(1,-1,1),(1,-2,-2),(2,1,3)] and B = [(-4,4,4),(-7,1,3),(5,-3,-1)] , find AB and use this result I solving the following system of equations : x - y + z = 4, x - 2y -2z = 9 and 2x + y + 3z = 1