摘要
给出一个恒等式 ,可用其化简一些求和式子并能求出一类级数的收敛值 ,其中有的级数用其它方法甚至难以判定其收敛性。
In this paper,an identity is provided which is used to simplify some summation formulas and evaluate a kind of series.The convergence of some of the series can not even be discriminated with other methods.
关键词
恒等式
无穷乘积
级数
收敛值
identity
infinite product
value of series