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Mathematics
Mathematics
Problem
61. Verify that the complex number
i
i
i
is a zero of the polynomial
f
(
x
)
=
x
3
−
i
x
2
+
2
i
x
+
2
f(x)=x^{3}-i x^{2}+2 i x+2
f
(
x
)
=
x
3
−
i
x
2
+
2
i
x
+
2
.
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