Https://math.stackexchange.com/questions/5061527/c%c3%b3mo-hablar-con-una-persona-en-american-airlines-what-is-square-root-of-2 https://math.stackexchange.com/questions/5061527/c%c3%b3mo-hablar-con-una-persona-en-american-airlines-what-is-square-root-of-2