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Find volume of revolution using shell method (#576)
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Find volume of revolution using shell method (#576)
For rotation about
y
y
y
-axis:
V
=
2
π
∫
a
b
x
f
(
x
)
d
x
V = 2\pi \int_a^b x f(x) \, dx
V
=
2
π
∫
a
b
x
f
(
x
)
d
x
.
