Calculate the surface integral Sf V x Fnd S With the help of Stokes' theorem, when + x) · y y x) (z + 2x)= ((01 410) 2 (6 +212) 10-11-20) ((~² F(x, y, z) ,6.ey.cos(z) 3 and S is the surface x² + y² + z² = 4, z ≥ 0, the positive side of which is the upper side. The value of the integral is

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