Explain this free response question on volume





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Discus: SAT/ACT Tests and Test Preparation: May 2004 Archive: Explain this free response question on volume
By Narcotics (Narcotics) on Saturday, May 01, 2004 - 04:18 pm: Edit

http://apcentral.collegeboard.com/repository/calculus_ab_99.pdf,http://apcentral.collegeboard.com/repository/calculus_ab_99.pdf

Why would you use the Washer Method for part B of question 2?

By Theli0nheart (Theli0nheart) on Saturday, May 01, 2004 - 04:28 pm: Edit

cuz its easier than shell

By Physicskid123 (Physicskid123) on Saturday, May 01, 2004 - 04:34 pm: Edit

Washer method is generally easier to use on many graphs, except some you would have to use it 2 times, then you should use shell. I like just using washer all the time...

By Narcotics (Narcotics) on Saturday, May 01, 2004 - 05:02 pm: Edit

I meant as oppose to disk method... How do you know when to use washer and when to use disks? i dont see any washers that form when you rotate it about the x axis


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