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If A=[[-3,-5,1],[-3,3,-3],[3,1,-5]] and ...

If `A=[[-3,-5,1],[-3,3,-3],[3,1,-5]]` and `B=[[1,2,-1],[2,-1,1],[1,1,2]]` find the products AB and BA and hence solve the system of equation.
`x+2y-z=6`
`2x-y+z=5`
`x+y+2z=7`

Text Solution

Verified by Experts

The correct Answer is:
`=[[3],[2],[1]]rArr x = 3, y = 2, z = 1`
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