Determine if the following matrices are invertible, if so give the inverse matrix. Otherwise, give the reason.
C =
0 1 -2
1 0 2
-2 1 3
det(C) = -2-4-3=-9,
using the cofactors, we have
C^-1 = ??
then??
收錄日期: 2021-04-23 17:30:08
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