Asked by alexis

Find the area of the surface obtained by rotating the curve of parametric
x=3t-(3/3)t^3
y=3t^2
0<=t<=1

what is the surface area
Answered by drwls
I am confused about the (3/3) term. Since it equals 1, why is it there at all?

You don't say what axis the parametric curve is being rotated about.
Answered by sarah
it is rotated about the x-axis
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