Open Question: Set up, but do not evaluate, an integral for the area of the surface obtained by rotating the curve about the?
14:15 Publicado por Flechado16
x = (3y-y^2)^(1/2)
Then also by rotating the curve about the y-axis.
I got 18piy/12y-4y^2, for about the y-axis, but webassign keeps telling me I'm wrong. Any help would be very much appreciated!!!
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