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If A=[[2 , -3 , 5],[ 3, 2, -4],[ 1, ...

If `A=[[2 , -3 , 5],[ 3, 2, -4],[ 1, 1, -2]]`, find `A^(-1)` . Using `A^(-1)` solve the system of equations.
`2 x-3 y+5 z=11 , 3x+2y-4 z=-5, x+y-2z =-3`

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V PUBLICATION-DETERMINANT-QUESTION BANK
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  2. LetA=[[1,-1,1],[2,1,-3],[1,1,1]] Using A^-1 solve the system of eq...

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  3. If A=[[2 , -3 , 5],[ 3, 2, -4],[ 1, 1, -2]], find A^(-1) . Using...

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  9. Prove that |[x,sintheta, costheta],[-sintheta,-x,1],[costheta,1,x]| is...

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  11. Evaluate |[cos alpha cos beta, cos alpha sin beta, -sin alpha],[ -s...

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  15. If A^(-1)=[[3,-1,1],[-15,6,-5],[5,-2,2]] and B=[[1,2,-2],[-1,3,0],[0,-...

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  16. Let A=[[1,-2,1],[-2,3,1],[1,1,5]] verify that (A^(-1))^(-1)=A

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  18. evaluate | [1,x,y],[1,x+y,y],[1,x,x+y] |

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