Given: Equation of hyperbola

_{To find: Eccentricity of the hyperbola}

Squaring both sides:

Squaring both sides:

_{From (1) and (2):}

Formula used:

For hyperbola

Eccentricity(e) is given by,

Here a = a, b = a

Therefore,

_{Hence, the} eccentricity of the hyperbola is