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試卷第=page11頁,共=sectionpages33頁專題11數(shù)列多選題1.(2023秋·浙江·高三浙江省永康市第一中學(xué)校聯(lián)考期末)數(shù)列SKIPIF1<0的通項(xiàng)為SKIPIF1<0,它的前SKIPIF1<0項(xiàng)和為SKIPIF1<0,前SKIPIF1<0項(xiàng)積為SKIPIF1<0,則下列說法正確的是(
)A.?dāng)?shù)列SKIPIF1<0是遞減數(shù)列 B.當(dāng)SKIPIF1<0或者SKIPIF1<0時(shí),SKIPIF1<0有最大值C.當(dāng)SKIPIF1<0或者SKIPIF1<0時(shí),SKIPIF1<0有最大值 D.SKIPIF1<0和SKIPIF1<0都沒有最小值2.(2023·廣東梅州·統(tǒng)考一模)設(shè)SKIPIF1<0是公差為SKIPIF1<0(SKIPIF1<0)的無窮等差數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和,則下列命題正確的是(
)A.若SKIPIF1<0,則SKIPIF1<0是數(shù)列SKIPIF1<0的最大項(xiàng)B.若數(shù)列SKIPIF1<0有最小項(xiàng),則SKIPIF1<0C.若數(shù)列SKIPIF1<0是遞減數(shù)列,則對(duì)任意的:SKIPIF1<0,均有SKIPIF1<0D.若對(duì)任意的SKIPIF1<0,均有SKIPIF1<0,則數(shù)列SKIPIF1<0是遞增數(shù)列3.(2023春·浙江溫州·高三統(tǒng)考開學(xué)考試)已知正m邊形SKIPIF1<0,一質(zhì)點(diǎn)M從SKIPIF1<0點(diǎn)出發(fā),每一步移動(dòng)均為等可能的到達(dá)與其相鄰兩個(gè)頂點(diǎn)之一.經(jīng)過n次移動(dòng),記質(zhì)點(diǎn)M又回到SKIPIF1<0點(diǎn)的方式數(shù)共有SKIPIF1<0種,且其概率為SKIPIF1<0,則下列說法正確的是(
)A.若SKIPIF1<0,則SKIPIF1<0 B.若SKIPIF1<0,則SKIPIF1<0C.若SKIPIF1<0,則SKIPIF1<0,SKIPIF1<0 D.若SKIPIF1<0,則SKIPIF1<04.(2023·吉林·東北師大附中校考二模)已知數(shù)列SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的前SKIPIF1<0項(xiàng)的和為SKIPIF1<0,前SKIPIF1<0項(xiàng)的積為SKIPIF1<0,則下列結(jié)論正確的是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.(2023秋·吉林遼源·高三校聯(lián)考期末)設(shè)SKIPIF1<0,SKIPIF1<0分別為等差數(shù)列SKIPIF1<0的公差與前n項(xiàng)和,若SKIPIF1<0,則下列論斷中正確的有(
)A.當(dāng)SKIPIF1<0時(shí),SKIPIF1<0取最大值 B.當(dāng)SKIPIF1<0時(shí),SKIPIF1<0C.當(dāng)SKIPIF1<0時(shí),SKIPIF1<0 D.當(dāng)SKIPIF1<0時(shí),SKIPIF1<06.(2023秋·黑龍江哈爾濱·高三哈爾濱市第六中學(xué)校校考期末)數(shù)列SKIPIF1<0滿足SKIPIF1<0,SKIPIF1<0,則下列結(jié)論正確的有(
)A.SKIPIF1<0B.?dāng)?shù)列SKIPIF1<0的和為SKIPIF1<0C.若數(shù)列SKIPIF1<0,則數(shù)列SKIPIF1<0D.?dāng)?shù)列SKIPIF1<0有最小項(xiàng)7.(2023·云南昆明·昆明一中??寄M預(yù)測(cè))數(shù)列SKIPIF1<0滿足SKIPIF1<0,SKIPIF1<0,數(shù)列SKIPIF1<0的前n項(xiàng)和為SKIPIF1<0,且SKIPIF1<0,則下列正確的是(
)A.SKIPIF1<0B.?dāng)?shù)列SKIPIF1<0的前n項(xiàng)和SKIPIF1<0C.?dāng)?shù)列SKIPIF1<0的前n項(xiàng)和SKIPIF1<0D.SKIPIF1<08.(2023·云南昆明·高三昆明一中??茧A段練習(xí))已知各項(xiàng)均為正數(shù)的數(shù)列SKIPIF1<0滿足:SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0是數(shù)列SKIPIF1<0的前n項(xiàng)和,則(
)A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<09.(2023春·安徽·高三合肥市第六中學(xué)校聯(lián)考開學(xué)考試)數(shù)列SKIPIF1<0滿足:SKIPIF1<0,SKIPIF1<0,則下列結(jié)論中正確的是(
)A.SKIPIF1<0 B.SKIPIF1<0,SKIPIF1<0C.SKIPIF1<0是等比數(shù)列 D.SKIPIF1<0,SKIPIF1<010.(2023·遼寧沈陽·統(tǒng)考一模)SKIPIF1<0是各項(xiàng)均為正數(shù)的等差數(shù)列,其公差SKIPIF1<0,SKIPIF1<0是等比數(shù)列,若SKIPIF1<0,SKIPIF1<0,則(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<011.(2023·遼寧·校聯(lián)考一模)設(shè)等差數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和是SKIPIF1<0,若SKIPIF1<0,則(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.(2023秋·江蘇·高三南京師大附中校聯(lián)考期末)已知數(shù)列SKIPIF1<0為等差數(shù)列,首項(xiàng)為1,公差為2,數(shù)列SKIPIF1<0為等比數(shù)列,首項(xiàng)為1,公比為2,設(shè)SKIPIF1<0,SKIPIF1<0為數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和,則當(dāng)SKIPIF1<0時(shí),SKIPIF1<0的取值可以是下面選項(xiàng)中的(
)A.8 B.9 C.10 D.1113.(2023秋·河北衡水·高三河北衡水中學(xué)??计谀┤魯?shù)列SKIPIF1<0有SKIPIF1<0,SKIPIF1<0為SKIPIF1<0前n項(xiàng)積,SKIPIF1<0有SKIPIF1<0,則(
)A.SKIPIF1<0為等差數(shù)列(SKIPIF1<0) B.可能SKIPIF1<0C.SKIPIF1<0為等差數(shù)列 D.SKIPIF1<0第n項(xiàng)可能與n無關(guān)14.(2023秋·山東濱州·高三統(tǒng)考期末)已知數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和為SKIPIF1<0,若SKIPIF1<0,SKIPIF1<0,則下列結(jié)論正確的是(
)A.SKIPIF1<0 B.SKIPIF1<0是等比數(shù)列C.SKIPIF1<0是單調(diào)遞增數(shù)列 D.SKIPIF1<015.(2023秋·山東德州·高三統(tǒng)考期末)已知數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和為SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0則(
)A.SKIPIF1<0 B.SKIPIF1<0C.?dāng)?shù)列SKIPIF1<0為等差數(shù)列 D.SKIPIF1<0為奇數(shù)時(shí),SKIPIF1<016.(2023秋·湖北武漢·高三統(tǒng)考期末)等比數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和為SKIPIF1<0,前SKIPIF1<0項(xiàng)的積SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0,則下列選項(xiàng)中成立的是(
)A.對(duì)任意正整數(shù)SKIPIF1<0,SKIPIF1<0 B.SKIPIF1<0C.?dāng)?shù)列SKIPIF1<0一定是等比數(shù)列 D.SKIPIF1<017.(2023·湖北·校聯(lián)考模擬預(yù)測(cè))數(shù)列SKIPIF1<0各項(xiàng)均為正數(shù),其前n項(xiàng)和SKIPIF1<0,且滿足SKIPIF1<0,下列四個(gè)結(jié)論中正確的是(
)A.SKIPIF1<0為等比數(shù)列 B.SKIPIF1<0為遞減數(shù)列C.SKIPIF1<0中存在大于3的項(xiàng) D.SKIPIF1<0中存在小于SKIPIF1<0的項(xiàng)18.(2023秋·江蘇南京·高三南京市第一中學(xué)校考期末)已知數(shù)列SKIPIF1<0SKIPIF1<0的項(xiàng)數(shù)均為SKIPIF1<0(SKIPIF1<0為確定的正整數(shù),且SKIPIF1<0),若SKIPIF1<0,SKIPIF1<0,則(
)A.SKIPIF1<0中可能有SKIPIF1<0項(xiàng)為1 B.SKIPIF1<0中至多有SKIPIF1<0項(xiàng)為1C.SKIPIF1<0可能是以SKIPIF1<0為公比的等比數(shù)列 D.SKIPIF1<0可能是以2為公比的等比數(shù)列19.(2023春·廣東惠州·高三校考階段練習(xí))斐波那契數(shù)列又稱黃金分割數(shù)列,因數(shù)學(xué)家列昂納多·斐波那契以兔子繁殖為例子而引入,故又稱為“兔子數(shù)列”.斐波那契數(shù)列用遞推的方式可如下定義:用SKIPIF1<0表示斐波那契數(shù)列的第n項(xiàng),則數(shù)列SKIPIF1<0滿足:SKIPIF1<0,SKIPIF1<0,記SKIPIF1<0,則下列結(jié)論正確的是(
)A.?dāng)?shù)列SKIPIF1<0是遞增數(shù)列 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<020.(2023春·浙江·高三校聯(lián)考開學(xué)考試)已知數(shù)列SKIPIF1<0滿足SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0是數(shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和,則(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<021.(2023·浙江·校聯(lián)考模擬預(yù)測(cè))數(shù)列SKIPIF1<0定義如下:SKIPIF1<0,SKIPIF1<0,若對(duì)于任意SKIPIF1<0,數(shù)列的前SKIPIF1<0項(xiàng)已定義,則對(duì)于SKIPIF1<0,定義SKIPIF1<0,SKIPIF1<0為其前n項(xiàng)和,則下列結(jié)論正確的是(
)A.?dāng)?shù)列SKIPIF1<0的第SKIPIF1<0項(xiàng)為SKIPIF1<0 B.?dāng)?shù)列SKIPIF1<0的第2023項(xiàng)為SKIPIF1<0C.?dāng)?shù)列SKIPIF1<0的前SKIPIF1<0項(xiàng)和為SKIPIF1<0 D.SKIPIF1<022.(2023春·浙江寧波·高三校聯(lián)考階段練習(xí))數(shù)列SKIPIF1<0前SKIPIF1<0項(xiàng)和為SKIPIF1<0,若SKIPIF1<0,且SKIPIF1<0,則以下結(jié)論正確的有(
)A.SKIPIF1<0B.?dāng)?shù)列SKIPIF1<0為遞增數(shù)列C.?dāng)?shù)列SKIPIF1<0為等差數(shù)列D.SKIPIF1<0的最大值為SKIPIF1<023.(2023·云南昆明·安寧市第一中學(xué)??寄M預(yù)測(cè))古希臘畢達(dá)哥拉斯學(xué)派的數(shù)學(xué)家用沙粒和小石子來研究數(shù),他們根據(jù)沙?;蛐∈铀帕械男螤?,把數(shù)分成許多類,如圖中第一行圖形中黑色小點(diǎn)個(gè)數(shù):1,3,6,10,…稱為三角形數(shù),第二行圖形中黑色小點(diǎn)個(gè)數(shù):1,4,9,16,…稱為正方形數(shù),記三角形數(shù)構(gòu)成數(shù)列SKIPIF1<0,正方形數(shù)構(gòu)成數(shù)列SKIPIF1<0,則下列說法正確的是(
)A.SKIPIF1<0B.1225既是三角形數(shù),又是正方形數(shù)C.SKIPIF1<0D.SKIPIF1<0,SKIPIF1<0,總存在SKIPIF1<0,SKIPIF1<0,使得SKIPIF1<0成立24.(2023·重慶沙坪壩·高三重慶八中??茧A段練習(xí))記SKIPIF1<0表示與實(shí)數(shù)x最接近的整數(shù),數(shù)列SKIPIF1<0的通項(xiàng)公式為SKIPIF1<0,其前n項(xiàng)和為SKIPIF1<0.設(shè)SKIPIF1<0,則下列結(jié)論正確的是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<025.(2023·重慶·統(tǒng)考模擬預(yù)測(cè))已知數(shù)列SKIPIF1<0滿足SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則下列結(jié)論正確的有(
).A.?dāng)?shù)列SKIPIF1<0是遞增數(shù)列 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<026.(2023·福建漳州·統(tǒng)考三模)已知數(shù)列SKIPIF1<0,SKIPIF1<0,且滿足SKIPIF1<0,SKIPIF1<0,則(
)A.SKIPIF1<0 B.SKIPIF1<0的最大值為SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<027.(2023·山東·濰坊一中校聯(lián)考模擬預(yù)測(cè))在數(shù)列SKIPIF1<0中,若對(duì)于任意SKIPIF1<0,都有SKIPIF1<0,則(
)A.當(dāng)SKIPIF1<0或SKIPIF1<0時(shí),數(shù)列SKIPIF1<0為常數(shù)列B.當(dāng)S
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