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Mathematics
Mathematics
Problem
Simplify when possible. The answers are in Chapter 23, starting on page 464. 16. Find
d
y
d
x
\frac{d y}{d x}
d
x
d
y
if
y
=
u
2
−
1
y=u^{2}-1
y
=
u
2
−
1
and
u
=
1
x
−
1
u=\frac{1}{x-1}
u
=
x
−
1
1
.
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