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Mathematics
Mathematics
Problem
If
f
(
x
)
=
log
(
x
+
1
+
x
2
)
f(x) = \log(x + \sqrt{1+x^2})
f
(
x
)
=
lo
g
(
x
+
1
+
x
2
)
then find
f
−
1
(
x
)
f^{-1}(x)
f
−
1
(
x
)
1
+
x
2
\sqrt{1+x^2}
1
+
x
2
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