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Ch-4-Prob-4-New-김준하
2277 days ago by matrix
A=matrix(QQ, 3, 3, [1, 2, 1, 4, 2, 3, 2, 0, 1]) B=matrix(QQ, 3, 3, [1, 2, 0, 3, 1, 0, 0, 0, 5]) print A.det() print A.transpose().det() AB=A*B print B.det() print AB.det() print A.inverse().det()
2 2 -25 -50 1/2
2 2 -25 -50 1/2