8 Consider the hemispherical surface Σ = {(x, y, z) = R³ : x² + y² + z² = 1, z > 0} with normal vector pointing towards the origin. The flux of the curl of F(x,y) = (x − 2y + 3z, 2x + 3yz, 3x − y + 2z) through Σ takes value: (A) -4π (B) 0 (C) -1 (D) -π -
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