2-21b Divergence Theorem Flux Through a Unit Cube

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P.2-21 Given a vector field F = a_.xy +arr: +a=:::x,
a) compute the total outward flux from the surface of a unit cube in the
first octant with one corner at the origin, and b) find V·F and verify the divergence theorem.
Fundamentals of Engineering Electromagnetics Cheng
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What if the cube was in the second quadrant? I keep on getting that the divergence theorem gives 1/2 but this one gives 3/2 and they don't agree with each other.

CienaGoat