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Multiple choice
For
M
=
[
1
+
2
i
3
0
−
1
+
i
]
M = \begin{bmatrix}1 + 2i & 3 \\ 0 & -1 + i\end{bmatrix}
M
=
[
1
+
2
i
0
3
−
1
+
i
]
, the adjoint
M
†
M^\dagger
M
†
is the conjugate transpose. What is the
(
0
,
1
)
(0, 1)
(
0
,
1
)
entry of
M
†
M^\dagger
M
†
?
1
−
2
i
1 - 2i
1
−
2
i
3
−
1
−
i
-1 - i
−
1
−
i
0
Check answer