If [math]x = \sqrt{5} + 2[/math], then what is the value of [math]\frac{2x^2 -3x -2}{3x^2-4x-2}[/math]?
What is the value of [math]\frac{\left(x^4 + \frac{1}{x^2}\right)}{ x^2 -3x +1} [/math], if [math]x+\frac{1}{x} = 5[/math]?