The inner binary of the Polaris system, Polaris Aa and Ab, has a period of 29.6 yr. Polaris Aa has a mass of 5.4 Msun and Polaris Ab has a mass of 1.3 Msun. (a) What is the semi-major axis of Polaris Aa? (b) What is the semi-major axis of Polaris Ab? (Note: there should be no need to assume circular orbits here)

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