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jeff1evesque
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Homework Statement
Solid horn obtained by rotating the points [tex] {[x=0], [0 \leq y \leq 4], [0 \leqz \leq \frac{1}{8}y^{2}] }[/tex] circles around y-axis of radius [tex]\frac{1}{8}y^2[/tex]. Set up the integral dzdxdy.
Homework Equations
Cartesian coordinates.
The Attempt at a Solution
I don't understand how the z-limits are [tex]\pm \sqrt{\frac{y^4}{64} - x^2}[/tex]? I understand that the z limits must involve x and y, but cannot come up with the latter conclusion.
Thanks
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