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科目:高中數(shù)學
來源:不詳
題型:填空題
在一個數(shù)列中,如果
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,都有
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(
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為常數(shù)),那么這個數(shù)列叫做等積數(shù)列,
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叫做這個數(shù)列的公積。已知數(shù)列
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是等積數(shù)列,且
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,公積為6,則
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科目:高中數(shù)學
來源:不詳
題型:單選題
數(shù)列5,7,9,11,
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,
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的項數(shù)是 ( )
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A.
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B.
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C.
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D
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.
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科目:高中數(shù)學
來源:不詳
題型:填空題
數(shù)列
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前幾項為1,3,5,7,9,11,13…,在數(shù)列
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中,
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=
。
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科目:高中數(shù)學
來源:不詳
題型:填空題
已知數(shù)列
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中,
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時,
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,則通項公式
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=
高。資源。網。。。
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科目:高中數(shù)學
來源:不詳
題型:單選題
已知
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是遞增數(shù)列,且對任意
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都有
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恒成立,則實數(shù)
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的取值范
圍是 ( )
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科目:高中數(shù)學
來源:不詳
題型:單選題
已知數(shù)列
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具有性質P:對任意
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,
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與
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兩數(shù)中至少有一個是該數(shù)列中的一項,現(xiàn)給出以下四
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個命題:
①數(shù)列0,1,3具有性質P;
②數(shù)列0,2,4,6具有性質P;
③若數(shù)列A具有性質P,則
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;
④若數(shù)列
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具有性質P,則
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;
其中真命題有( )
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