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From a solid sphere of mass M and radius...

From a solid sphere of mass M and radius R, a spherical portion of radius R/2 is removed, as shown in the figure Taking gravitational potential `V =0at r = oo,` the potential at (G = gravitational constatn)

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The correct Answer is:
D
`(-GM)/(2R^(3))(3R^(2)-((R )/(2))^(2))+((GM)/(8))/(2((R )/(2))^(3))(3((R )/(2))^(2)-0^(2))`
`= -(GM)/(2R^(3))((11R^(2))/(4))+(GM)/(8R^(3))xx(3R^(2))/(4)`
`=-(GM)/(R )`
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