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Mathematics
Mathematics
Problem
Verify that
F
(
x
)
=
tan
−
1
x
F(x)=\tan^{-1}x
F
(
x
)
=
tan
−
1
x
is an antiderivative of the function
f
(
x
)
=
1
1
+
x
2
f(x)=\dfrac{1}{1+x^{2}}
f
(
x
)
=
1
+
x
2
1
.
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