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yeuVi

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**Surface area help please...**

How do you find a surface area of a function around a vertical line?

For example: surface of [tex]\ y=x^3[/tex] between [tex]\ 0<= x <= 3[/tex], rotating around [tex]\ x=4[/tex]?

I tried the formula for finding surface area, but I confuse with that vertical line x=4... what should I do?

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