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Uploaded by algebratesthelper on Feb 21, 2011
John Zimmerman, http://www.algebratesthelper.com explains how to find the determinant of a 2 x 2 matrix, and do a few related problems.
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In the first example, why didn't you put a 1 over 9 or 1/9 ? I thought it was 1 over the determinant
DJAnthonyillWill 4 months ago
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In the first example, why didn't you put a 1 over 9 or 1/9 ? I thought it was 1 over the determinant
DJAnthonyillWill 4 months ago