(self)
return n*(n+1)
Returns the total number of roots for A_n
Returns the total number of roots for A_n
Returns the total number of roots for A_n
def roots(self):
        """
        Returns the total number of roots for A_n
        """
        n = self.n
        return n*(n+1)
def roots ( self ) : n = self . n return n * ( n + 1 )