Question: 4. (5 points) Let A, B be n x n matrices. Suppose [A In] and [In B] are two row equivalent matrices. Suppose det(A) =

4. (5 points) Let A, B be n x n matrices.

4. (5 points) Let A, B be n x n matrices. Suppose [A In] and [In B] are two row equivalent matrices. Suppose det(A) = 35. Find det( B)

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