http://i.imgur.com/oDrGB.png

I asked two different people and one person got 256/9 by taking parabolic slices, and another person got 8*pi by taking slices that are circles. Who is right and why?

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- Aug 24th 2012, 11:16 PMeskimogeniusHelp with Volumes
http://i.imgur.com/oDrGB.png

I asked two different people and one person got 256/9 by taking parabolic slices, and another person got 8*pi by taking slices that are circles. Who is right and why? - Aug 25th 2012, 06:21 AMSorobanRe: Help with Volumes
Hello, eskimogenius!

Quote:

http://i.imgur.com/oDrGB.png

I asked two different people and one person got 256/9 by taking parabolic slices,

and another person got 8*pi by taking slices that are circles.

Who is right and why?

Why did the second person use circular slices?

The problem said parabolic cross-sections, right?