Exercise 6.5 b
- anyone has idea what's the point for the line (whose minimax value is
already known) included in the question b. If the minimax value is
already known, why we bother look at li or Ri?
also, rewrite expression of n1 in terms of li or ri values, does it
mean rewrite expression of n1 in terms of l1, r1, l2, r2. ...lj, rj or