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Mathematics
Mathematics
Problem
Calculate the determinant of the matrix
C
=
(
1
2
0
3
4
5
0
6
7
)
C=\begin{pmatrix}1 & 2 & 0\\ 3 & 4 & 5\\ 0 & 6 & 7\end{pmatrix}
C
=
1
3
0
2
4
6
0
5
7
and decide if
C
−
1
C^{-1}
C
−
1
exists.
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