A surface S is obtained by rotation, around the axis OZ, the arc of parabola with . Determine the area of the surface obtained

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- June 3rd 2009, 04:22 PMApprentice123Surface rotationA surface S is obtained by rotation, around the axis OZ, the arc of parabola with . Determine the area of the surface obtained
- June 4th 2009, 01:11 PMApprentice123How do I calculate surface rotation? Must use the matrix?
- June 4th 2009, 02:00 PMJester
- June 4th 2009, 02:04 PMApprentice123
- June 4th 2009, 02:57 PMJester
- June 4th 2009, 05:59 PMSpec
Or you can recognize that the rotation will produce an elliptical paraboloid which can be parametrized as

A switch to polar coordinates will then basically produce the same integral as Danny showed you.

- June 5th 2009, 01:07 PMApprentice123
- June 5th 2009, 04:56 PMApprentice123