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Mathematics
Problem
Simplify when possible. The answers are in Chapter 23, starting on page 464. 20. Find
d
u
d
v
\frac{d u}{d v}
d
v
d
u
if
u
=
y
3
,
y
=
x
x
+
8
u=y^{3}, y=\frac{x}{x+8}
u
=
y
3
,
y
=
x
+
8
x
, and
x
=
v
2
x=v^{2}
x
=
v
2
.
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