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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How do I calculate surface rotation? Must use the matrix?
Originally Posted by Apprentice123 How do I calculate surface rotation? Must use the matrix? It's a standard formula in Calc II
Originally Posted by Danny It's a standard formula in Calc II I do not know this formula. Could you explain better?
Originally Posted by Apprentice123 I do not know this formula. Could you explain better? Are you familar with the formula's for volumes of revolution? I need a starting place for our discussion.
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.
Originally Posted by Spec 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. Ok. Thanks
Originally Posted by Spec 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. as you know that rotation will produce an elliptical paraboloid
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