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在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an...
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在数列{a
n}中,S
n为其前n项之和,且S
n=2
n-1,则a
12+a
22+a
32+…+a
n2等于:
A.(2
n-1)
2B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAI6SURBVGhD7VmJkcMgDKQyeqIdmqEUl6JDfJYB
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WT85DCYrJxm43qqFgMN0dNFOJL3w90DzJ2WAu+20Cs4yfPW1selzyfr/DrDegQMsNNZiWnTw6BxT
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jB3HaO/H3QvgokmhFsZS+57VR4ar33++J815mTRtiR805gX/xE5tH+Z0/IksJ8asAI+73sRclmyl
9n8dLn7tWJLKmiCC0XJNIqui/ANeddKfivM6hn8AWwUVVGz4ObcAAAAASUVORK5CYII=
)
C.4
n-1
D.
相关试题
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAI6SURBVGhD7VmJkcMgDKQyeqIdmqEUl6JDfJYB
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z5D6pnNDaUuHIgm9ETCdNeMA0Xx2wPbns8vtODayKti2w3fH0/YibE9cenPfl7ejHPeoYW54uL39
jB3HaO/H3QvgokmhFsZS+57VR4ar33++J815mTRtiR805gX/xE5tH+Z0/IksJ8asAI+73sRclmyl
9n8dLn7tWJLKmiCC0XJNIqui/ANeddKfivM6hn8AWwUVVGz4ObcAAAAASUVORK5CYII=
)
C.4n-1
D.
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAjNJREFU
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KRqQmgAwBsuF38xvICiLr7qBAewpL8hR1GFi2r1EWyzg7q9pF2hPpRHO4NbejpaLJPCrf4Pv4b0w
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Jy69uZ/L7eiIm2uYWx5ut5+xcox6P56eACdNCrUwltrfuTvvcPGD199Jc14mlS3xi8a84N84qfZh
TsffyHJizALw+NSbmMuSo9T5X4fOrx1LUlkTRLBarklkVZR/wKsq/a04r+vwLxfjZ2sAy7wLAAAA
AElFTkSuQmCC
)
C.4n-1
D.
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAjNJREFU
aEPtWYuNwyAM5VZmHTZhDqbIEr4YCDGfYFMRekou0qlSm2A/+z0/t/cD+6XedCHgN13qTWA9mxPg
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EbLmOt9sQO65InjZatnqDvU6HE5YLFLOEmCg9wcaZpeien/wNhSbd74GaosAY7IlNXpeN9xB9gFm
KRqQmgAwBsuF38xvICiLr7qBAewpL8hR1GFi2r1EWyzg7q9pF2hPpRHO4NbejpaLJPCrf4Pv4b0w
z8617BJApufx/vFPyABLtjiW0jxgrK6MTjywqzsWAvbrYMc/OS/8HCR9Uga4HKyt2GyHe/qpjD16
3RyQI4CFgzUNLbp4NMrUGkiHr+Yz4AZqS5ciSXsDYLpchwWienZg7M/vLnfi2I6uYNuyL8uX9iK0
Jy69uZ/L7eiIm2uYWx5ut5+xcox6P56eACdNCrUwltrfuTvvcPGD199Jc14mlS3xi8a84N84qfZh
TsffyHJizALw+NSbmMuSo9T5X4fOrx1LUlkTRLBarklkVZR/wKsq/a04r+vwLxfjZ2sAy7wLAAAA
AElFTkSuQmCC
)
C.4n-1
D.
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAjNJREFU
aEPtWYuNwyAM5VZmHTZhDqbIEr4YCDGfYFMRekou0qlSm2A/+z0/t/cD+6XedCHgN13qTWA9mxPg
zYJWGuz27BIEwM6gjve/BwFOmHZcxqUuEko7ME8BjGw9QHrmKtCRuo8EvDkHVJmb1aC09e/dCBgZ
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K8jq9S7gTJTUR4CHKFlMfZyWUUezuutMv4BIZeJIPmzocBzdwYtVdVPy6jJh6nXlZwVAqqNhwJdL
EbLmOt9sQO65InjZatnqDvU6HE5YLFLOEmCg9wcaZpeien/wNhSbd74GaosAY7IlNXpeN9xB9gFm
KRqQmgAwBsuF38xvICiLr7qBAewpL8hR1GFi2r1EWyzg7q9pF2hPpRHO4NbejpaLJPCrf4Pv4b0w
z8617BJApufx/vFPyABLtjiW0jxgrK6MTjywqzsWAvbrYMc/OS/8HCR9Uga4HKyt2GyHe/qpjD16
3RyQI4CFgzUNLbp4NMrUGkiHr+Yz4AZqS5ciSXsDYLpchwWienZg7M/vLnfi2I6uYNuyL8uX9iK0
Jy69uZ/L7eiIm2uYWx5ut5+xcox6P56eACdNCrUwltrfuTvvcPGD199Jc14mlS3xi8a84N84qfZh
TsffyHJizALw+NSbmMuSo9T5X4fOrx1LUlkTRLBarklkVZR/wKsq/a04r+vwLxfjZ2sAy7wLAAAA
AElFTkSuQmCC
)
C.4n-1
D.
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAI6SURBVGhD7VmJkcMgDKQyeqIdmqEUl6JDfJYB
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9n8dLn7tWJLKmiCC0XJNIqui/ANeddKfivM6hn8AWwUVVGz4ObcAAAAASUVORK5CYII=
)
C.4n-1
D.
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAI6SURBVGhD7VmJkcMgDKQyeqIdmqEUl6JDfJYB
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9n8dLn7tWJLKmiCC0XJNIqui/ANeddKfivM6hn8AWwUVVGz4ObcAAAAASUVORK5CYII=
)
C.4n-1
D.
-
在数列{an}中,Sn为其前n项之和,且Sn=2n-1,则a12+a22+a32+…+an2等于:
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAjCAYAAADIfGk8AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAI6SURBVGhD7VmJkcMgDKQyeqIdmqEUl6JDfJYB
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z5D6pnNDaUuHIgm9ETCdNeMA0Xx2wPbns8vtODayKti2w3fH0/YibE9cenPfl7ejHPeoYW54uL39
jB3HaO/H3QvgokmhFsZS+57VR4ar33++J815mTRtiR805gX/xE5tH+Z0/IksJ8asAI+73sRclmyl
9n8dLn7tWJLKmiCC0XJNIqui/ANeddKfivM6hn8AWwUVVGz4ObcAAAAASUVORK5CYII=
)
C.4n-1
D.
-
等比数列an的前n项和Sn=2n-1,则a12+a22+a32+…+an2=________.
-
(理)已知等比数列{an}的前n项和Sn=2n-1,则a12+a22+…+an2等于( )
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADQAAAAjCAYAAADbqynIAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHlSURBVFhH7VgJsoMgDOVk3InrcBmPwlFoIogs
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xbT7BUBrqOLNwzs2tCQGgkH65N+m/ILr6t/qGMB7NGuE3DsMfWxSWa/s6EMVg98l5NEA8k5U1zir
v6MbG/qlO4sAIXXqqbllKaaFBedTqgEE+n2rISZSMikIAOFm0Xp7DBnUl5BscRkDaKVkqJEHRGmH
qIaaYh//rtlNu+mzETEX+ruWYI/jjYNflFQiiyz0NNZ72WoZIIwEdkI8IOyOgJKyyg9WXQhoTfeO
3VJZcKp28mIZIGQqO6HeYwVOr6A7gCcz7DRCDtBuXG2wEhVRgt9suNTgBOpJQz/WDYDiATKcttYT
coMps8XTzb58g/JIpbxzRUAe2q/Qvi+vt7shd/ThwnG6PY+1g2p+MoWkiTmqHqv0xOrS5aIAZz+z
nKiXvbSxbT5I2T1/uqDNIU5HPy2Xv3kFqHUNfot7rVD7f007T6v3qrlbjeDo80dooNQX0N3n9bgJ
fQBTCewATdcN+QAAAABJRU5ErkJggg==
)
C.4n-1
D.
-
(理)已知等比数列{an}的前n项和Sn=2n-1,则a12+a22+…+an2等于( )
A.(2n-1)2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADQAAAAjCAYAAADbqynIAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGwSURBVFhH7ZYLsoMgDEVZGXtiO2yGpbCUNOEn
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6X0qJ1dscocwptRgCUYhVnydqLlACCC1BhUgjFqtQycrTABp5MCClvcWzKg2ngdyhyr9uF9szgRD
4xMunehefK7+rC4Q/UbznUHtHvpUpDLfrEMH4pKheykSJY9QeeTqGavltXFLRdvrblm4ISAanbpr
1pgCkBLOu1QD+PG76qGOHTIrDABRsOiDA5301zl1gNxI+hz7QJx3GHFdPFLsGLuaQB0gzC56CZ9n
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dongHSYjzvC8qSeMXp4bLrZg5baNdGmkiJR5KNsW1xON29Y9AdYW/tjdfge37//V5p2o0kNZ61hN
357PiSt+AkqeWCjhKyo7FAx47f/WGiqBUEP/DBZWA9T10eKqgNpd42kSriPh0No9uB6kduQerg9o
db0MCOAHUwnsABcAvxgAAAAASUVORK5CYII=
)
C.4n-1
D.