Disc Method: Revolving Around Other Axes
AP Calculus BC · Flashcards · Recall
AP CALCULUS BC · FLASHCARDS
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QUESTION
What is the role of the function
g
(
y
)
g(y)
g
(
y
)
in the disc method when using the y-axis?
QUESTION
What is the effect of changing the axis of rotation to
y
=
c
y = c
y
=
c
?
QUESTION
Describe how to use the disc method when revolving around a non-axis line.
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ANSWER
Adjust radius as
∣
f
(
x
)
−
line
∣
|f(x) - \text{line}|
∣
f
(
x
)
−
line
∣
. The distance from curve to the line becomes the radius.
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