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Given that A= [(1,-1,0),(2,3,4),(0,1,2)]...

Given that `A= [(1,-1,0),(2,3,4),(0,1,2)]" and "B= [(2,2,-4),(-4,2,-4),(2,-1,5)]`. Find AB Use to solve the following system of equations : `x-y=3, 2x+3y+4z= 17, y+2z= 7`.

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The correct Answer is:
`x= 2, y= -1, z= 4`
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