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OpenStudy (chaise):
Consider the curve z = x^4-2x^2. Write the curve parametrically in 3 dimensions. Can anyone help with this? I know x=rcos(theta) y=rsin(theta) r^2=x^2+y^2 But I can't get much further
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OpenStudy (anonymous):
Try \(x=t\) and \(z=f(t)\)
OpenStudy (anonymous):
how about rotating around the z-axis?
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