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(Solved): please explain the steps thoroughly
1. a) (10 pts) Using Laplace expansion, compute the determinant ...
please explain the steps thoroughly
1. a) (10 pts) Using Laplace expansion, compute the determinant of the following matrix: M=?5210?0030?0123??1112?? ANSWER: - Expand using, say, the second column: ?M??=3?C32??=?3?520?013??112??? Expand again, say, using the first row: ?M??=?3(5?C11???1?C13??)=?3(5?13?12???1?20?13??)=?3[5(?1)?1(6)]=33?