# Solution: Find the eccentricity of the curve 9x^2 – 4y^2 – 36x + 8y = 4.

Find the eccentricity of the curve 9x^2 – 4y^2 – 36x + 8y = 4. How to find the eccentricy of a hyperbola given the equation?

#### Problem Statement: EE Board October 1993

Find the eccentricity of the curve 9x^2 – 4y^2 – 36x + 8y = 4.

The eccentricity of the curve is 1.80.

Solution:

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