Author: Maureen T. Carroll

Publisher: American Mathematical Soc.

Total Pages: 480

If xi = x2 = k, then no**semicircle**centered at

**the**x-axis can pass through these points. Therefore, x = k is

**the**only hyperbolic

**line**that passes through A and B. Case 2. If x1 + x2, then

**the**unique Euclidean

**linejoining**A and B is not ...