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Volume Using Horizontal Washers
If:
$$x=f(y)$$
and the region is revolved about the $$y$$-axis:
$$V=\pi\int_c^d[f(y)]^2\,dy$$
Usage
- Used when expressing the region in terms of $$y$$ gives simpler cross-sections.
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Volume Using Horizontal Washers
If:
$$x=f(y)$$
and the region is revolved about the $$y$$-axis:
$$V=\pi\int_c^d[f(y)]^2\,dy$$
Usage
- Used when expressing the region in terms of $$y$$ gives simpler cross-sections.
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