Let A be a 3×3 matrix, and suppose that the matrix B is obtained from A by the following row operations: R1+R2; R3¬R3+5R2 , If det (A)=12, what is det (B)?

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Q: If A and B are square matrices of the same size, is (A + B)2 = A2 + 2AB + B2?

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Q: pls answer this system equation by matrices using gauss-jordan Given 6a + b - 8c = 10 a + 2b - c = 7…

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Q: Find the LU factorization of the following matrix: |2     0   0| |0   −3   1| |10  12  3|

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