d0orervanco d0orervanco

17-05-2017
Mathematics

contestada

Find the area of the surface. The helicoid (or spiral ramp) with vector equation r(u, v) = u cos v i + u sin v j + v k, 0 ? u ? 1, 0 ? v ? 9?.

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bjohnson0363 bjohnson0363

17-05-2017

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