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Mathematics
Problem
Evaluate the definite integral
∫
1
2
2
x
(
5
x
2
+
1
)
3
d
x
.
\displaystyle \int_{1}^{2}\frac{2x}{(5x^{2}+1)^{3}}\,dx.
∫
1
2
(
5
x
2
+
1
)
3
2
x
d
x
.
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