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OpenStudy (anonymous):
What is the cofactor of a33=-3 for this matrix: 4 3 1 2 3 -1 1 -1 0 2 -3 0 5 -2 2 1
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OpenStudy (nikvist):
cofactor of a33 is determinant of matrix 4 3 2 3 -1 -1 5 -2 1
OpenStudy (anonymous):
So would the answer then be -32?
OpenStudy (nikvist):
4*(-3)-3*8+2*(-1)=-12-24-2=-38
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