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प्रश्न
If A = `((-1,2),(1,-4))` then A(adj A) is
पर्याय
`((-4,-2),(-1,-1))`
`((4,-2),(-1,1))`
`((2,0),(0,2))`
`((0,2),(2,0))`
उत्तर
`((2,0),(0,2))`
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