A system of binary stars of masses mA an...

A system of binary stars of masses `m_A` and `m_B` respectively. If `T_A` and `T_B` are the times periods of masses `m_A` and `m_B` respectively then,

`T_A/T_B = (r_A/r_B)^(3/2)`

`T_A gt T_B ( if r_A gt r_B)`

`T_A gt T_B ( if m_A gt m_B)`

`T_A =T_B`

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