Assume a planet having a radius R and its density is expressed as = \

1.	Assume a planet having a radius R and its density is expressed as = \(\frac{R+r}{2r}D’\).
A.	\(\frac{5\pi D’R^3}{2}\)
B.	\(\frac{4\pi D’R^3}{3}\)
C.	\(\frac{5\pi D’R^3}{3}\)
D.	\(\frac{5\pi D’R^3}{12}\)
Answer» D. \(\frac{5\pi D’R^3}{12}\)

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