首页
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,...
试题详情
已知公差不为0的等差数列{a
n}满足a
1,a
3,a
4成等比关系,S
n为{a
n}的前n项和,则
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAxCAYAAABQxxDJAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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=
)
的值为( )
A.2
B.3
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
相关试题
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACRSURBVDhP3VPbDcAgCGQydmIdlmEUR6E+W6yo
P6YfNTEm5HJc7k7QzYGDgMCKgMqh5ywrhBQA4p0BCkrp54BsUvKhXJLHrJNZTGLdr2jCvDeR7hnO
NSow3kYBsrZiVQ2xLGZo196Vs/a+AEEZWw4Ui+eVts6ExuIOPmSxZp9jVC/YB6wYhPrPA7po09dh
zWK/AMs974HIA8HSAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在
-
已知公差不为0的等差数列{an}满足a1,a3,a4成等比关系,Sn为{an}的前n项和,则
的值为( )
A.2
B.3
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAJhJREFU
OE/dk90NwCAIhOnKrMMmzOEULkH9qVYrEps2fSiJMTEnXo7PTUKBVVFgFawLPAsCCvv+Su7gKPoI
aybIKqGfC1JIMYe8yJ1h3Yh6MpQXOhRj2p5gWufhsUnPWIMCZClgHR4CLM1h+1pFro33IvDCWOZA
ATwN2uPM0QjukEMy27ynBNUb1gVWB0f95wExaPp6WDMudiIX3/atDCZcAAAAAElFTkSuQmCC
)
D.不存在