已知Sn=m.Sm=n (m不等於n)試證 Sm+n=Sm+Sn+mnd (Sm+n為連在一起之一項符號)很難歐
它是個遞減數列
_________________The art of doing mathematics consists in finding that special case which contains all the germs of generality
我只能證出Sm+n=-m-n
_________________http://blog.pixnet.net/ej0cl6↑這是最近成立的數學BLOG 裡面有些幾何的東西 大家可以參觀看看呢
喔thanks
_________________數學有好玩之處,大家一起愛數學吧!
但這樣證明對嗎