Question: Consider a sphere of radius r = 4 centered at (0, 0, 3). Let S 1 be that portion of the spherical surface that lies

Consider a sphere of radius r = 4 centered at (0, 0, 3). Let S₁ be that portion of the spherical surface that lies above the xy plane. Find ʃ_S1 (∇ × H) · dS if H = 3ρ a_ϕ in cylindrical coordinates.

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