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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def nu_max(self, *args):
 """Returns asteroseismic nu_max in uHz reference: https://arxiv.org/pdf/1312.3853v1.pdf, Eq (3) """

        return 3120.* (self.mass(*args) /
                        (self.radius(*args)**2 * np.sqrt(self.Teff(*args)/5777.)))