Evaluate limx→∞(x2+1x2−1)x2\lim_{x \to \infty} \left( \frac{x^2+1}{x^2-1} \right)^{x^2}limx→∞(x2−1x2+1)x2.
eee
e2e^2e2
111
e−2e^{-2}e−2