已知等比数列
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则q等于
( )
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科目:高中数学
来源:不详
题型:解答题
(本小题满分13分)
数列
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(I)求数列

的通项公式;
(II)若
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的最大值。
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科目:高中数学
来源:不详
题型:解答题
(本小题共13分)数列
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中,
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,
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(
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是常数,
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),且
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成公比不为

的等比数列.
(I)求
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的值;
(II)求
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的通项公式.
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科目:高中数学
来源:不详
题型:单选题
在各项均为正数的等比数列{
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}中,
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、

是方程

的两个根,则

的值为
A.32 | B.64 | C. 64 | D.256 |
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科目:高中数学
来源:不详
题型:单选题
已知各项均为正数的等比数列
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中,
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则
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( )
A. | B. 7 | C.6 | D. |
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