Question: 7. (10 points) How do elementary row operations applied to a matrix A to produce a new row- equivalent matrix B affect the det(A)?

7. (10 points) How do elementary row operations applied to a matrix A to produce a new row- equivalent matrix B affect the det(A)? State each elementary row operation and the affect of the determinant each one has. 8. (5 points) T or F: If A is a singular matrix then the det(A) 0.

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