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Mathematics
Mathematics
Problem
For the matrix
B
=
(
4
−
1
8
2
)
B=\begin{pmatrix}4 & -1\\ 8 & 2\end{pmatrix}
B
=
(
4
8
−
1
2
)
, calculate
det
(
B
)
\det(B)
det
(
B
)
and state whether
B
B
B
is invertible.
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