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Solve the following system of linear equ...

Solve the following system of linear equations using matrix method.
2x+3y+3z=5
x-2y +z=-4
3x-y-2z=3

Text Solution

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[[2,3,3],[1,-2,1],[3,-1,-2]][(x),(y),(z)]=[(5),(-4),(3)]
i.e.,AX=B
`A^(-1)=(adj A)/|A|=1/40 [[5,3,9],[5,-13,1],[5,11,-7]]`
`X=A^(-1)B=[(1),(2),(-1)]`
x=1,y=2,z=-1
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