Suppose is a radial force field, is a sphere of radius centered at the origin, and the flux integral .
Let be a sphere of radius centered at the origin, and consider the flux integral .

(A) If the magnitude of is inversely proportional to the square of the distance from the origin,what is the value of ?

(B) If the magnitude of is inversely proportional to the cube of the distance from the origin, what is the value of ?

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