Square root of x^2-4 plus x^2/x^2+1
√x² - 4 + x²/x² + 1x - 2 + x²/x² + 1x - 2 + x² 1 x² + 1(x - 2)(x² + 1) + x² (1)(x² + 1) x² + 1x³ + x - 2x² - 2 + x² x² + 1 x² + 1x³ - 2x² + x² + x - 2 x² + 1x³ - x² + x - 2 x² + 1x³ + x - 2