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Use elementary row or column operations to evaluate the following determinant. You may use a calculator...

Use elementary row or column operations to evaluate the following determinant. You may use a calculator to do the multiplications.

1   -5     -9     2     -5
2   -19     -20     3     -11
2   -20     -16     4     -12
0   16     5     3     0
0   18     11     11     2
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