JEE • Mathematics

Hyperbola

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mixed

Standard Hyperbola Geometry

The source gives the standard hyperbola and its core geometry.

x2a2−y2b2=1\frac{x^2}{a^2}-\frac{y^2}{b^2}=1
b2=a2(e2−1)b^2=a^2(e^2-1)
S=(±ae,0)S=(\pm ae,0)
x=±aex=\pm\frac{a}{e}
A=(±a,0)A=(\pm a,0)
ℓ=2b2a=2a(e2−1)\ell=\frac{2b^2}{a}=2a(e^2-1)

Variables & Notation

aa

parameter or semi-major axis depending on context

bb

line coefficient or semi-minor axis depending on context

ee

eccentricity