myininaya
Find the volume for:



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lgbasallote
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is this a test?

amistre64
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is it a newtonian or nonnewtonian volume?

amistre64
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are we rotating it thru 3d or a greater dimension (4,5,6d) ??

lgbasallote
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is it not just cylindrical shell or soemthing? am i missing soemthing?

anonymous
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i always hated these
just saying

amistre64
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dw:1351170930808:dw

myininaya
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Find the volume by slicing.
For some reason the visual is hard for me to visualize.

lgbasallote
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hmm.. i knew there was something more....

lgbasallote
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a mod's question is never easy.....

amistre64
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dw:1351171102661:dw

LOOSEr
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Cant we just do translation dw:1351171080137:dw

amistre64
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pi(R^2r^2) * height (from 0 to 2 is all the same R,rs)
from 2 to 4 R is still 3 but r = x

amistre64
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\[\int_{h=0}^{h=2}\pi(3^21^2)dh+\int_{h=2}^{h=4}\pi(3^2(h1)^2)dh\]

phi
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a cylindrical shell approach makes sense for this problem
dw:1351171541916:dw

anonymous
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man who said art was dead? look at these pictures!

myininaya
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Omg. Great. @amistre64 I see it now. Thanks.

amistre64
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;)

anonymous
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like old home week around here today