Calculus 2: Intro to Volumes of Solids of Revolution (Disc Method)

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In this video, we will be going over how to find the volume of surfaces of revolution using Disc Method. As long as you understand the concept you will be fine.

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I feel like having the mistake there and acknowledge and understanding that its inccorrect was good practice for my brain

mazuru
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Hey everybody! I apologize for this video, there is a large mistake in the second example, and to correct this, I will end up taking down this video eventually.

The answer is off by a factor of two, the correct answer would have been [6pi*4^(5/3)]/5. The mistake was due to integrating y/2 like it was a y. I could have got around this by doing a u-substitution, or the easier way, which would be to just bring the 2^(5/3) (in the denominator) outside of the integral.

Sorry again!

LudusYT