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Mathematics
Problem
If
x
=
3
+
4
i
x = 3 + 4i
x
=
3
+
4
i
(where,
i
=
−
1
i = \sqrt{-1}
i
=
−
1
), the value of
x
4
−
12
x
3
+
70
x
2
−
204
x
+
225
x^4 - 12x^3 + 70x^2 - 204x + 225
x
4
−
12
x
3
+
70
x
2
−
204
x
+
225
, is a. -45 b. 0 c. 35 d. 15
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