下列级数中,收敛的级数是()。
A.<img src='https://img2.soutiyun.com/ask/2019-07-04/931098467018196.jpg' />
B.<img src='https://img2.soutiyun.com/ask/2019-07-04/93109850143653.png' />
C.<img src='https://img2.soutiyun.com/ask/2019-07-04/931098521465365.png' />
D.<img src='https://img2.soutiyun.com/ask/2019-07-04/931098536755563.png' />
时间:2023-09-07 05:27:45
相似题目
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下列级数中收敛的是()https://assets.asklib.com/psource/20160716165232941.jpg
A . A
B . B
C . C
D . D
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下列级数中,收敛的是(
)
A .https://assets.asklib.com/psource/1468559581866088141.png
B .https://assets.asklib.com/psource/1468559586819096284.png
C .https://assets.asklib.com/psource/1468559592527028732.png
D .https://assets.asklib.com/psource/1468559597543088447.png
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幂级数的收敛半径为2,则幂级数的收敛区间是()
A . (-2,2)
B . (-2,4)
C . (0,4)
D . (-4,0)
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下列级数中,不收敛的是( )
A .https://assets.asklib.com/psource/1458180211399085116.png
B .https://assets.asklib.com/psource/1458180219045036011.png
C .https://assets.asklib.com/psource/1458180226382071632.png
D .https://assets.asklib.com/psource/1458180232124094180.png
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设
https://assets.asklib.com/psource/2015103008504115623.jpg
,下列级数中绝对收敛的是()。
A .https://assets.asklib.com/psource/2015103008505988249.jpg
B .https://assets.asklib.com/psource/20151030085113680.jpg
C .https://assets.asklib.com/psource/2015103008512720453.jpg
D .https://assets.asklib.com/psource/2015103008514346537.jpg
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下列级数收敛半径为2的是()。
A .https://assets.asklib.com/images/image2/2017051114401910925.png
B .https://assets.asklib.com/images/image2/2017051114402940495.png
C .https://assets.asklib.com/images/image2/2017051114403973582.png
D .https://assets.asklib.com/images/image2/2017051114404757851.png
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若级数收敛
https://assets.asklib.com/psource/2015103008464784870.jpg
,则下列级数中不收敛的是()。
A .https://assets.asklib.com/psource/2015103008470426697.jpg
B .https://assets.asklib.com/psource/201510300847227368.jpg
C .https://assets.asklib.com/psource/2015103008473644669.jpg
D .https://assets.asklib.com/psource/2015103008475312901.jpg
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下列级数中,条件收敛的级数是().
A .https://assets.asklib.com/psource/2015102915252363975.jpg
B .https://assets.asklib.com/psource/2015102915253710012.jpg
C .https://assets.asklib.com/psource/2015102915254926048.jpg
D .https://assets.asklib.com/psource/2015102915260616375.jpg
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若正项级数收敛,则下列级数必定收敛的是( ) .0ba73f983449370e58a8c9a72057f099.png
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若正项级数收敛,则下列级数必定收敛的是( ) .0ba73f983449370e58a8c9a72057f099.png
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设,则下列级数中肯定收敛的是( )/ananas/latex/p/251590
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判别下列级数的收敛性,若收敛,是绝对收敛还是条件收敛?
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2.下列级数中收敛的级数为( )
A.<img src='https://img2.soutiyun.com/latex/latex.action' />
B.<img src='https://img2.soutiyun.com/latex/latex.action' />
C.<img src='https://img2.soutiyun.com/latex/latex.action' />
D.<img src='https://img2.soutiyun.com/latex/latex.action' />
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若函数项级数 收敛,则下列错误的是()
A.部分和数列有界
B.部分和数列极限为零 C
D.都收敛
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若级数习绝对收敛,则级数习必定();若级数习条件收敛,则级数必定().
若级数习<img src='https://img2.soutiyun.com/ask/2020-11-26/975244241398906.png' />绝对收敛,则级数习<img src='https://img2.soutiyun.com/ask/2020-11-26/975244252374534.png' />必定();若级数习<img src='https://img2.soutiyun.com/ask/2020-11-26/97524427328373.png' />条件收敛,则级数<img src='https://img2.soutiyun.com/ask/2020-11-26/97524428376933.png' />必定().
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确定下列幂级数的收敛域,并求其和函数:
<img src='https://img2.soutiyun.com/ask/2021-01-05/978723648645819.png' />
<img src='https://img2.soutiyun.com/ask/2021-01-05/978723658290371.png' />
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讨论下列级数的收敛性。收敛的话,试求出级数之和.
<img src='https://img2.soutiyun.com/ask/2021-01-27/98061316284515.png' />
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对于级数习下列结论中正确的是().A.a>1时,级数收敛B.a<1时,级数发散C.a=1时,级数收敛D.a=1时,
对于级数习<img src='https://img2.soutiyun.com/ask/2020-12-07/976201851181314.png' />下列结论中正确的是().
A.a>1时,级数收敛
B.a<1时,级数发散
C.a=1时,级数收敛
D.a=1时,级数发散
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若绝对收敛,证明下列级数也绝对收敛:
若<img src='https://img2.soutiyun.com/ask/2020-12-14/976827987925256.png' />绝对收敛,证明下列级数也绝对收敛:
<img src='https://img2.soutiyun.com/ask/2020-12-14/976827980220816.png' />
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判断下列复级数的敛散性,若收敛指明条件收敛还是绝对收敛. 设D是一个有界区域,其边界为aD,若fn()+… 在 上一致收敛.
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选择适当的方法判别下列级数的收敛性:
<img src='https://img2.soutiyun.com/ask/2020-12-21/977434147244721.png' />
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参数s取何值,下列级数是绝对收敛或条件收敛.
<img src='https://img2.soutiyun.com/ask/2020-11-13/974112589017487.png' />
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利用级数收敛的定义判别下列级数的敛散性,并对收敛级数求其和。
<img src='https://img2.soutiyun.com/ask/2020-12-22/977477173109151.png' />
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23、依概率收敛和高等数学中级数的收敛相同.