阿摩線上測驗
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阿摩線上測驗
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6. A solid hemisphere H is enclosed by z =
and z = 0.
(b) (25 points) Suppose a vector field 
(x, y, z) =
is defined over the surface σ of H. Let 
denote the outward unit normal vector of σ. Evaluate the integral ∫∫σ
dS.