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Problem
Problem
If one root of the quadratic equation
i
x
2
+
2
(
i
+
1
)
x
+
(
2
−
i
)
=
0
,
i
=
−
1
ix^2 + 2(i + 1)x + (2 - i) = 0, i = \sqrt{-1}
i
x
2
+
2
(
i
+
1
)
x
+
(
2
−
i
)
=
0
,
i
=
−
1
is
2
−
i
2 - i
2
−
i
, the other root is a.
−
i
-i
−
i
b.
i
i
i
c.
2
+
i
2 + i
2
+
i
d.
2
−
i
2 - i
2
−
i
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