Matrix Determinant

Questions (2)

If a 4×4 matrix A with rows v1, v2, v3, and v4 has determinant detA=7,row 1 [ v1] row 2 [ 4v2 + 9v4 ] row 3 [ v3 ] row 4 [3v2 +
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2. asked by lesgo
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The determinate of the matrix A= (2 3 5)(4 1 6) (1 4 0) is determinate A =|A|=(2 3 5) (4 1 6) (1 4 0) which has the value of 45.
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