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Complex Numbers
medium
0:00.0
Find
Im
(
2
+
i
1
−
2
i
)
\text{Im}(\frac{2 + i}{1 - 2i})
Im
(
1
−
2
i
2
+
i
)
.
A
−
1
-1
−
1
B
1
1
1
C
4
/
5
4/5
4/5
D
−
4
/
5
-4/5
−
4/5
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