The Dymaxion Map of the Earth shows all the continents floating in a single world ocean[?], which is broken up at the edges, as the projection follows the land masses, and distorts them minimally. It was created by Buckminster Fuller to eliminate culture bias in maps of the world.
... this means that the parabola described by the quadratic equation touches the x-axis in a single point.)
If the discriminant is positive, then there are two differen ...