The hyperbola equation is
Convert the equation into standard form of hyperbola.
\Seperate and
in the above equation.
Add and subtract the square of half of the and
variable.
.
The standard form of horizontal hyperbola .
Eccentricity : .
Determine the eccentricity.
\Compare the above equation with standard form of horizontal hyperbola.
\ and
.
For hyperbola : .
.
The eccentricity is .
Substitute and
.
The eccentricity is .
Eccentricity : .