AprilCarr6010 AprilCarr6010

23-05-2023
Mathematics

contestada

Evaluate the surface integral ∫∫H 8y dA where H is the helicoid (i.e., spiral ramp) given by the vector parametric equation
r⃗ (u,v)=(ucosv,usinv,v),
0≤u≤1, 0≤v≤7π.
∫∫H 8y dA=

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