(The Sandwich Theorem)Given two convergent sequences {an} and {cn} with the same limit lim n->∞ an = L = lim n->∞ cn. Let {bn} be a sequence. Suppose there exists a positive integer K such that for n ≥ K, we have an ≤ bn ≤ cn. Then bn converges to L.
请高人解释一下..谢谢了...
谢谢大家了。但我需要的不时翻译,而是解释。解释这一个定理。
有高手可以解释当中的原理吗?