用根值审敛法判别下列级数的收敛性:[tex=6.0x3.286]3PXegz5bAQsuTODB0U8KrAHm98187wxA/0XYd0mHh6Z9APS7Sb73kMnyoy8PS2+O77kIdER24uIbv3FxRu/UaA==[/tex]
解:因为 [tex=25.143x3.5]OqU0SQaVHd2x+OGLCy0gvfBvw6MF3E1TB/FoPk4JzWr+0AH4VzppB8k3Y4lnXL5VmOEmKiY0pGDetso6Qt3tU83NvEmM8SYuwqZyUOm5gtYBjQvpc5SkZTs/ljV3F1bX5xb4Jji0uP5UMtB9OpUt94wvhF6M3CAv2I4XXRWViMOMAf5jLMNtvqTuvxMKdy7MptD/TdBs1lHbJNY5MWIDBXzxk66KMHejs5l3XVgXLCrkDzRU/24sOJYeDSwzVQr1Ff1veyixRskRMgUE1p2AGzFQlkDkb7BBSH0i54ySup2Gp6a6IFlhOwgyzYFb9uKp[/tex] 所以级数收敛.
举一反三
- 用根值审敛法判别下列级数的收敛性:[tex=6.571x3.286]3PXegz5bAQsuTODB0U8KrAHm98187wxA/0XYd0mHh6awPYPtmemEn0TY/Gr74YHUAr9IKaQXw0q/kMh4pdf8tA==[/tex]
- 用根值审敛法判别下列级数的收敛性：[tex=4.5x3.286]3PXegz5bAQsuTODB0U8KrBPLieHr48gEJxEWqW1OcNyx+4Jj6vOqAMG47dd3qXIc[/tex]
- 用根值审敛法判别下列级数的收敛性:[tex=5.571x3.286]3PXegz5bAQsuTODB0U8KrNJW68S9ebQACb1ASRfInEpoes7VJIwkv41VxK30zSJ0[/tex]
- 用根值审敛法判别级数的收敛性：[tex=6.071x3.5]VCAPAvn3gOPyP36rvxBwzxqmjWwHH2aQBF3gJhZ9v5q3rRU2NfAiKkIRyksybp4x[/tex] .
- 用根值审敛法判别下列级数的收敛性：[tex=6.214x3.5]3PXegz5bAQsuTODB0U8KrBSlQB+eMQhJs65VOP5/P453rbifIUuTH5eWll9zft6X[/tex]
内容
- 0
用根值审敛法判别下列级数的收敛性:[tex=3.286x3.286]3PXegz5bAQsuTODB0U8KrMcoE+mtxOM5Z0Z9F9E7XwExjC7Sf2tT6XRY/qzPvaT2[/tex]
- 1
用根值审敛法判别级数的收敛性：[tex=6.214x3.286]VCAPAvn3gOPyP36rvxBwz0jGDQNT9u5ts/fZvZDorFifVsoWC8NClkyHW5rSKwuw8C9gYg94rwye/b9udKMRxw==[/tex] .
- 2
>>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 3
用比较审敛法判别下列级数的收敛性:[tex=4.571x3.286]3PXegz5bAQsuTODB0U8KrPGyAMSABXUtqnatfYFkeojycXoL15k5S9/2/IiJp6Lq[/tex]
- 4
【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=