The determinant of a certain 3 x 3 matrix (Let's call it Matrix A) is known to be 3. What is the determinant of a Matrix (let's call it Matrix B) if this matrix is obtained by performing B=A2w1 --> r1? (In order words, I multiplied 2 to the first row of Matrix A, then replaced the first row.)

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Q: what is the relationship between the determinant of a matrix and its transpose? how does each…

A: Solution 1. The relationship between the determinanat of a matrix and its transpose