Hyperbole

Hyperbole is a set of points in the plane, where the difference of the distances of the points from two fixed points is constant. The two points are called focal points..

Hiperbola

r2-r1=2a=const

e=a2+b2

Equation of hyperbole

(xu)2a2-(yv)2b2=1

Central Hyperbole

Central Hyperbole

x2a2-y2b2=1

Tangency condition of a central hyperbole and a line

Központi hiperbola és az egyenes érintési feltétele

a2·k2-b2=n2

where the equation of the tangent line is :

y=kx+n
Keywords: hyperbole, central hyperbole, Tangency condition of a central hyperbole and a line