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If A=[1-1 1 2 1-3 1 1 1], find A^(-1) an...

If `A=[1-1 1 2 1-3 1 1 1],` find `A^(-1)` and hence solve the system of linear equation. `x+2y+z=4,-x+y+z=0,x-3y+z=2`

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The correct Answer is:
`A^(-1)=(1)/(10)[(4,2,2),(-5,0,5),(1,-2,3)]x=(9)/(5),y=(2)/(5),z=(7)/(5)`
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CBSE COMPLEMENTARY MATERIAL-MATRICES AND DETERMINANTS-SIX MARK QUESTIONS
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  16. If A=[1-1 1 2 1-3 1 1 1], find A^(-1) and hence solve the system of li...

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  17. Solve given system of equations by matrix method: (2)/(a)+(3)/(b)+(4...

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