Disc Method: Revolving Around x/y Axes
AP Calculus AB · Flashcards
AP CALCULUS AB · FLASHCARDS
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QUESTION
Find the volume of the solid obtained by revolving
y
=
1
x
y=\frac{1}{x}
y
=
x
1
from
x
=
1
x=1
x
=
1
to
x
=
2
x=2
x
=
2
around the x-axis.
QUESTION
Which axis is used for integration when revolving around the x-axis?
QUESTION
What is the role of the function
f
(
x
)
f(x)
f
(
x
)
in the disc method when revolving around the x-axis?
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ANSWER
Defines the radius of discs. Function determines how far each disc extends from the axis.
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