Given that A=[{:(-4,4,4),(-7,1,3),(5,-3,...

Given that `A=[{:(-4,4,4),(-7,1,3),(5,-3,-1):}],"and"B=[{:(1,-1,1),(1,-2,-2),(2,1,3):}]`
Find AB . Use this to solve the following system of linear equations :
`x-y+z=4, x-2y-2z=9, 2x+y+3z=1` .

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The correct Answer is:

`[{:(8,0,0),(0,8,0),(0,0,8):}];x=3, y=-2,z=-1`

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