摘要
首先将柯西定理的条件改变为一般形式,进而将正项级数收敛性判别法中的比值判别法和广义比值判别法进行了推广。
In this paper,we improve the condition in sum from k=1 to ∞(2ka2k)Cauchy Theorem into sum from k=1 to ∞(tkatk(t≥2)).Then we popu-larize the generalized ratio test and ratio test in the convergence for positive term series.
出处
《安阳工学院学报》
2008年第6期97-100,共4页
Journal of Anyang Institute of Technology
关键词
正项级数
比值判别法
广义判别法
收敛性
发散性
positive term series
a generalized ratio test
ratio test
convergence
divergence