Find the flux of the vector field F across the surface S in the indicated direction.F = x2y4i + yj - zk; S is the portion of the parabolic cylinder z = 9 - y2 for which 
and 3 ? x ? 5; direction is outward (away from the x-y plane)
A. 0
B. 108
C. 54
D. -108
Answer: A
Mathematics
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< 0
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