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Mathematics
Mathematics
Problem
Find the value of
∫
(
2
x
+
1
)
tan
−
1
x
d
x
\displaystyle \int (2x+1)\,\tan^{-1}x\,dx
∫
(
2
x
+
1
)
tan
−
1
x
d
x
, writing your answer in its simplest form.
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