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Question
If A `= [(2,3),(1,-4)] "and B" = [(1,-2),(-1,3)],` then find (AB)-1.
Options
`1/11 [(14,5),(5,1)]`
`1/11 [(14,-5),(-5,1)]`
`1/11 [(1,5),(5,14)]`
`1/11 [(1,-5),(-5,14)]`
MCQ
Solution
`1/11 [(14,5),(5,1)]`
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