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若Sn是公差不为0的等差数列{an}的前n项和,且S1,S2,S4成等比数列.(1)求等比...
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若S
n是公差不为0的等差数列{a
n}的前n项和,且S
1,S
2,S
4成等比数列.
(1)求等比数列S
1,S
2,S
4的公比;
(2)若S
2=4,求{a
n}的通项公式;
(3)设
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEgAAAAqCAYAAAAQ0R0WAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,T
n是数列{b
n}的前n项和,求使得
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC8AAAAjCAYAAAAE5VPXAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
对所有n∈N
*都成立的最小正整数m.
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