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Papuss's Theorem for Surface Areas

  • Thread starter Larrytsai
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y=sqrt(2x+1), 0≤x≤2

Find the area of the surface by using the second theorem of Pappus.

S= 2pie(row)L

I cannot find what the centroid is, i have length as 2
 

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  • #2
LCKurtz
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Find the area of what surface? A graph in the xy plane is not a surface. And your arc length isn't correct.
 
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