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Two stars of a binary system are separat...

Two stars of a binary system are separated by a distance of 20 AU with a period of revolution of 20 years. One of the two stars is 4 times farthest from the centre of mass of the other. Find masses of each star.

A

3, 12 solar mass

B

1, 4 solar mass

C

4, 16 solar mass

D

2, 8 solar mass.

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