A planet of mass m revolves in elliptica...

A planet of mass `m` revolves in elliptical orbit around the sun of mass `M` so that its maximum and minimum distance from the sun equal to `r_(a)` and `r_(p)` respectively. Find the angular momentum of this planet relative to the sun.

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The correct Answer is:

`J=msqrt((2GM_(s)r_(1)r_(2)//(r_(1)+r_(2))`

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