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If A=[{:(2,5,3),(3,4,-2),(4,-6,-2):}], f...

If `A=[{:(2,5,3),(3,4,-2),(4,-6,-2):}]`, find `A^(-1)` .
Hence solve the system of equations
`2/x+3/y+4/z =-3, 5/x+4/y-6/z=4, 3/x-2/y-2/z=6`

Text Solution

Verified by Experts

The correct Answer is:
`A^(-1)=1/152[{:(20,8,22),(2,16,-13),(34,-32,7):}]` , x=1 , y=-1 , z=-2
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Knowledge Check

  • The system of equations x+2y +3z =4, 2x+3y+4z=5,3x+4y+5z=6 has

    A
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    B
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    C
    Unique solutions
    D
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