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Mathematics
Problem
A closed right circular can must contain
1000
cm
3
1000\,\text{cm}^3
1000
cm
3
of liquid. Let
r
r
r
be the radius (in cm) and
h
h
h
the height (in cm). Find the ratio
h
r
\dfrac{h}{r}
r
h
that minimizes the total surface area of the can.
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