名校
1 . 已知等比数列
,
,
是方程
的两实根,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e35eeaabd951fb09b2926807da3685b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef367814f1a7f44e4920f9f55daea063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02bc85419a13c4edb085384e84bcb556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066bed69d03aee63a37e1259f6599e55.png)
A.4 | B.![]() | C.8 | D.![]() |
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2020-08-15更新
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209次组卷
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2卷引用:广东省梅州市2019-2020学年高一下学期期末数学试题