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Matrices
easy
0:00.0
What is the trace of
(
2
0
0
2
)
\begin{pmatrix} 2 & 0 \\ 0 & 2 \end{pmatrix}
(
2
0
0
2
)
?
A
2
2
2
B
4
4
4
C
0
0
0
D
8
8
8
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