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Mathematics 19 Online
OpenStudy (anonymous):

find the determinant of [2 4] [1 9] 14 -14 1 -1

OpenStudy (mathmale):

First, multiply downward along the diagonal from upper left corner to lower right corner. Next, multiply upward along the diag. from lower left corner to upper rt. corner, giving this result a - sign. Combine your two results.

OpenStudy (anonymous):

Give me an example of how to set it up because i'm confused sorry @mathmale

jimthompson5910 (jim_thompson5910):

similar example |dw:1460517251148:dw|

jimthompson5910 (jim_thompson5910):

|dw:1460517284358:dw|

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