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目录

Shell method

Setting up the Integral

例题

Example 1:

Example 2:

Example 3:

Example 4:

Example 5 :

Example 6:

Practice:

📝Summary： 

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Computing volumes for solids of revolution using cylindrical shells（利用柱壳法计算旋转体体积）:

Shell method

Setting up the Integral

 

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Example 2:

Use the shell method to find the volume of the solid generated by revolving the shaded region about the x-axis.

 

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Example 3:

Example 4:

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis. You must include a clearly labeled sketch of the region.

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Example 5 :

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.

 

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Example 6:

use the shell method to find the volume of the solid generated by revolving the region bounded by the give curves about the given lines.

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Practice:

Find the volume of the solid generated by the revolving the region about the given axis. Use the shell method. The region bounded by x=3 𝑦, 𝑥 = −3𝑦 𝑎𝑛𝑑 𝑦 = 1 𝑎𝑏𝑜𝑢𝑡 𝑡ℎ𝑒 𝑙𝑖𝑛𝑒 𝑦 = 1

📝Summary：