Let F(x, y,z) = and let σ be the portion of z = 1 − x^2 − y^2 that is on or above the xy-plane oriented by upward normals. 1. Sketch σ accurately. 2. Parametrize sigma. 3. Sketch the associated Ruv for the chosen parameters (u, v). 4. Find the flux Φ of F through σ.

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A: Note:- according to the company policy we can attempt ?️ only one question so please upload the next…

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A: A.