[電腦基礎(chǔ)知識]c語言第一章-免費閱讀
【正文】 )1(1)1(.211nnudxeununnnunnuunnnxnnnnnnn??????????????????的斂散性討論下列級數(shù)例10 ??????????????????????????????1.1)1(11lim111)111()3121()211()1(1321211)1(nnnnnnsnnnnns??解11 ? ?.)122(21l i m)121121()11121()1(12)122()2(1111收斂????????????????????????????????????????????nnnnknknknnnnsnnkkkkkkkkkkks12 .13121l i m31221)311(2321312)313131(23132312332333131312353331)3(113213232???????????????????????????????????????????????????nnnnnnnnnnnnnnnnsnsnsnnsns13 .44lim)11(24)22()4(111111111111????????????????????????????????? ??? ?edxeeseneeexdxedxesnnnxnnnnxxnxnkkkxn14 .121!11!1!!1,!1)5(11110?????????????????????????eennnnnnennnnnn）（所以因為15 .,2.)(11111且其和不變得的級數(shù)仍收斂括號后所則對該級數(shù)的項任意加收斂若性質(zhì)收斂收斂收斂，若性質(zhì)??????????????nnnnnnnnnuvuvu ??三、級數(shù)的基本性質(zhì) .,.,散定去括號后原級數(shù)也發(fā)則能斷發(fā)散若加括號后所得的級數(shù)原級數(shù)也收斂則不能斷定去括號后收斂若加括號后所得的級數(shù)注釋16 .0)11()11(,11111???????????????但加括號后的級數(shù)發(fā)散級數(shù)反例.)2121(.212141412121
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號-1