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Mathematics
Mathematics
Problem
Briefly explain why the derivative
(
f
−
1
)
′
(
a
)
(f^{-1})'(a)
(
f
−
1
)
′
(
a
)
is undefined if
f
′
(
f
−
1
(
a
)
)
=
0
f'(f^{-1}(a))=0
f
′
(
f
−
1
(
a
))
=
0
for some value
a
a
a
.
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