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Mathematics 17 Online
OpenStudy (anonymous):

Need Help!! Find the area of the surface obtained by revolving the graph of asteroid x^2/3 + y^2/3 =1 about the x-axis on the interval [0,1]

OpenStudy (anonymous):

by x^2/3 you mean \[x^2/3\] right? and the same with the y thingo?

OpenStudy (anonymous):

\[x^{2/3} + y^2/3 =1\] i mean that

OpenStudy (anonymous):

\[x^{2/3} + y^{2/3} = 1\]

OpenStudy (anonymous):

oops, didn't read that properly and started working out the volume of the shape, gimmie a sec to think of surface area.

OpenStudy (anonymous):

oh ok lol

OpenStudy (anonymous):

Could put the equation into a y= form like\[y=\sqrt{(1-x^{2/3})^3}\]and then use the surface area integral thingo. Correct me if im wrong with rearranging

OpenStudy (anonymous):

Im not 100% sure on the complete solving of it but I can offer some ideas

OpenStudy (anonymous):

ok i ll try to solve with surface area formula

OpenStudy (anonymous):

Could be some nasty integration there though. :S

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