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Mathematics
Problem
Simplify when possible. The answers are in Chapter 19. 6. Find
f
′
(
x
)
f^{\prime}(x)
f
′
(
x
)
if
f
(
x
)
=
(
x
+
1
x
)
(
x
2
−
1
x
2
)
f(x)=\left(x+\frac{1}{x}\right)\left(x^{2}-\frac{1}{x^{2}}\right)
f
(
x
)
=
(
x
+
x
1
)
(
x
2
−
x
2
1
)
.
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