# Hyperbolic line!

**Calculus**Level 5

the disk radius is 1meter length.

u is the directing vector of the line .

r,t are the radius, circle tangent directing vectors.

the resulting shape formula using the disk center as reference of the coordinates...

\( c\frac{(y-y_0 )^2}{a^2} +\frac{(x-x_0)^2}{b^2} =1\)

what is \( 10((ab)^2 -c+\sqrt{2}y_0-x_0) \) ?