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Mathematics
Problem
Evaluate the following integration
∫
x
4
+
x
2
+
1
2
(
1
+
x
2
)
d
x
\int \frac{x^4 + x^2 + 1}{2(1+x^2)} \, dx
∫
2
(
1
+
x
2
)
x
4
+
x
2
+
1
d
x
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