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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate the determinant of the matrix

OpenStudy (anonymous):

OpenStudy (mathmale):

Before we start, please describe whatever experience you may have with evaluating determinants. Do you happen to know the cofactor method?

OpenStudy (anonymous):

I read about it but I think I can remember a bit more with refreshing my memory. I'm good with matrices just had trouble with this

OpenStudy (anonymous):

I just read about it and yes I do know that I just didn't know that was what it was called

OpenStudy (mathmale):

My approach is generally to evaluate the determinant first and explain the steps and reasons behind them later. First, can you evaluate this determinant?|dw:1398385413229:dw|

OpenStudy (anonymous):

|dw:1398385505641:dw|

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