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volume of an exponential (1 Viewer)

MargaretRose

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y = e ^-x + 1 is rotated about x-axis from x=1 to x=2 , calculate correct to decimal place,
I would love it if you could help :inlove:
 

Carrotsticks

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y = e ^-x + 1 is rotated about x-axis from x=1 to x=2 , calculate correct to decimal place,
I would love it if you could help :inlove:


Substitute in the limits to acquire the answer.

Do you require an explanation for what I have done so far?
 
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Carrotsticks

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Haha I must ask, why is the giant product symbol there?
 

thorax94

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that was meant to be a pi :D, correct my if I'm wrong but the volume formula has a pi and I did the calculation wrong anyway.
 

Carrotsticks

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Haha I can't believe I forgot to put the pi there!

Thanks for pointing that out.
 

MargaretRose

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oh cool, haha thankyou I thought so, the answer I was reading was wrong -.-
 

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