Perform the following operations on the matrix

⎡ 3 4 45⎤ ⎢ 7 8 105⎥ ⎣13 2 195⎦ 1. Add the third row to the second row. 2. Subtract the third column from the first column.

The determinant of the resultant matrix is _____________.

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Perform the following operations on the matrix

⎡ 3 4 45⎤ ⎢ 7 8 105⎥ ⎣13 2 195⎦ 1. Add the third row to the second row. 2. Subtract the third column from the first column.

The determinant of the resultant matrix is _____________.

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