How Does Bohr's Theory Apply to Electron-Positron Orbits?

[dorts]

Homework Statement

The system consists of an electron and a positron, which are rotating around each other. Using Bohr's theory of the hydrogen atom, what are possible orbits' radius (from the system mass center) and possible energy equation.

Homework Equations

The Attempt at a Solution

Have no clue at the moment

 

[Reshma]

You have to make an attempt before anyone can help. The problem statement itself gives part of the answer on how to proceed: Bohr's Hydrogen atom theory.