Evaluate limn→∞(cosxn)n2\lim_{n \to \infty} \left( \cos \frac{x}{n} \right)^{n^2}limn→∞(cosnx)n2.
e−x2/2e^{-x^2/2}e−x2/2
111
e−x2e^{-x^2}e−x2
000