Concept explainers
A beautiful flux
a. Show that the gradient
b. Let S be the sphere of radius a centered at the origin and let D be the region enclosed by S. Show that the flux of F across S is
c. Show that
d. Use part (c) to show that the flux across S (as given in part (b)) is also obtained by the volume integral
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Calculus: Early Transcendentals (2nd Edition)
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