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Mathematics
Mathematics
Problem
Evaluate
∫
1
2
x
d
x
(
x
+
1
)
(
x
+
2
)
\int_{1}^{2} \frac{x\, dx}{(x+1)(x+2)}
∫
1
2
(
x
+
1
)
(
x
+
2
)
x
d
x
.
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