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Mathematics
Mathematics
Problem
Compute
∫
1
2
x
(
x
2
+
1
)
3
d
x
\displaystyle\int_{1}^{2} \dfrac{x}{(x^{2}+1)^{3}}\,dx
∫
1
2
(
x
2
+
1
)
3
x
d
x
. a)
−
21
400
-\dfrac{21}{400}
−
400
21
b)
21
200
\dfrac{21}{200}
200
21
c)
21
400
\dfrac{21}{400}
400
21
d)
3
16
\dfrac{3}{16}
16
3
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