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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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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?.

User Oceanhug
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User Sean Skelly
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