Finally, we remark that if one is only interested in solving the problem at hand, then there are many other approaches. For example, we can solve equation (7) by writing it as a polynomial equation of degree n. However since n is normally quite large, this is certainly not a desirable method. The Bisection Method of Bolzano will do the job even if it does so rather inefficiently. Newton’s Method works very well provided we choose the initial guess r_0>r^* carefully, lest the sequence generated by the Newton iteration converge to 0 which is another root of both equations (3) and (8).