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Mathematics 17 Online
OpenStudy (anonymous):

Workings - finding the determinant of a matrix I will attach the workings.

OpenStudy (anonymous):

|dw:1391567302534:dw| I am up to this step and need to make another row/column 0 to reduce the size of the matrix. Brain freeze- I've tried a few options but can't seem to get 3 zero's in the one row or column.

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