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Mathematics
Problem
Simplify when possible. The answers are in Chapter 19. 7. Find
f
′
(
x
)
f^{\prime}(x)
f
′
(
x
)
if
f
(
x
)
=
(
x
x
+
1
)
4
f(x)=\left(\frac{x}{x+1}\right)^{4}
f
(
x
)
=
(
x
+
1
x
)
4
.
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