Number 10.27 . Please help me

gle 0 Taxis, similar to fig. P 1023. that r R, and expand die for the ptenda-L kping Only the terms in R)h. Graph V(r) nd g(r). 107. Considet a diat has a cyiindril symmu-y with ensity p(r, C) for r. k k and = O for r > R. Calailate gavitational potential at point (r, 8) far away from th (Expand iri powers of Rih.) 10.28. Consi&t a system of binary stars. of mass M and sepdrated by a distahce ir. strs or- bit abo.it ihdr 6mmon Center of mms. A mass m is at a poini P, is shown in fig. P 10.28.