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in Linear Equations by (88.1k points)
If `A=[(3,4,1),(1,0,-2),(-2,-1,2)] then A^(-1)`=?
A. `[(2,9,-8),(-2,8,7),(-1,5,-4)]`
B. `[(2,9,-8),(2,8,7),(-1,-5,4)]`
C. `[(-2,-9,-8),(2,8,7),(-1,5,-4)]`
D. none of these

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