[電腦基礎(chǔ)知識(shí)]c語(yǔ)言第一章-全文預(yù)覽
【正文】 .)(limlim)(,)(.lim01110111011收斂級(jí)數(shù)故所以且收斂，不妨設(shè)其和為因?yàn)榧?jí)數(shù)又使得存在常數(shù)所以收斂，因?yàn)閿?shù)列證???????????????????????????????????????????nnnkkknnnkknnkkknnkknnnnnnusuuuknuuuuknuusuununuunu。1,1,2212111則其和不變?nèi)粼诩?jí)數(shù)前再加兩項(xiàng)則其和為若去掉第一項(xiàng)級(jí)數(shù)反例?????????????n18 .0l i m41??????? nnnn uu 收斂若性質(zhì)????????????????????????????????????????11111111.)()4(.)(,)3(.,0lim)2(.,0lim)1(nnnnnnnnnnnnnnnnnnnnnnvuvuvuvuuuuu未必發(fā)散都發(fā)散，則和若一定發(fā)散發(fā)散，則收斂若未必收斂則若必發(fā)散則若注釋19 .)()(.3111收斂發(fā)散都和 ????????????nnnnnnn.)121(121.2。)4(。)1( nnn ss??求并化簡(jiǎn)求出判定級(jí)數(shù)斂散性的方法6 .l i m1,0))1(1()3().(2)1()2().(12112121)1(12211111不存在例如nnnnnnnknnnnkknnnsssnnnksnns??????????????????????????????????7 .11111,110 qqqqqqsqnnnkkn????????????時(shí)當(dāng)解.limlim111lim0lim1發(fā)散若收斂；若?????????????????????nnnnnnnnsqqqsqq.10的斂散性討論幾何級(jí)數(shù)例 ???nnq8 .l i m111111不存在，級(jí)數(shù)發(fā)散級(jí)數(shù)為：若；級(jí)數(shù)發(fā)散若nnnsqnsq??????????????????.)1()1(0 ?????????? qqqnn發(fā)散收斂故級(jí)數(shù)9 .!1)5(。)1(1)1(.211nnudxeununnnunnuunnnxnnnnnnn??????????????????的斂散性討論
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