of this work, hereby publish it under the following license: English Hypocycloids with variable ratio between the radii of the circles generating them...
or hyperbola. a parabola. a hypocycloid. an equilateral hyperbola. — log = 4 c(a; + c'). 2/^ , ANSWERS. 50 17. Gif" {x-\- c'y= a hyperbola,...
