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Determinants
The permutation definition, cofactor expansion, multiplicativity, the adjugate, Cramer's rule, and volume.
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If
det
(
A
)
=
−
7
\det(A)=-7
det
(
A
)
=
−
7
,
find
det
(
A
T
)
\det(A^{T})
det
(
A
T
)
.
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x
n
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AC
7
8
9
+
4
5
6
−
1
2
3
×
0
.
a
b
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