數(shù)列高考復(fù)習(xí)試題含答案解析

經(jīng)典word整理文檔，僅參考，雙擊此處可刪除頁(yè)眉頁(yè)腳。本資料屬于網(wǎng)絡(luò)整理，如有侵權(quán)，請(qǐng)聯(lián)系刪除，謝謝！.WORD格式整理..數(shù)列aaann1naaaaan1345aaa128aaaaaaaaaaaaaaaa18451845184518451xx224341238aaaa4n25naaaaaanSn是n12222n(aaaa則an13425SaSan＝59nn9aS3512aa2aabbb112123b212121或12142aaa－＋aSa2nnn..專業(yè)知識(shí)分享..1n.xanaaaaaaaa＝．456．.56SSaaaa＝32aaaaaa.n357aaaaaa＝.n645nn．a(chǎn)nSna2nnn11abcabcn132...WORD格式整理..qb2qnS2S與bnnnnn2anSaa＝Snn1nnSnnaa1SnaaaS，nn1743SSS66..專業(yè)知識(shí)分享...WORD格式整理..第二章數(shù)列參考答案aa，即2n1aaaan123即aqaq2211＝2或aaaaqq2223451aaaa1845又aaaaaad，2118111aaaaaaddaa．21245111181111a＝a＝a＝a＝xx中2244441234aaaa123411735＝a＝a＝a＝a＝2444414137∴，m或，12xxxxxxxxxxxx．123412341234..專業(yè)知識(shí)分享....7aaaaxxx＝spq1224135，，，，744447＝＝，129a53a2aqaS＝＝2aaaaa和aa1aaaa)4＝12aa221故4006為S選B．naaaaa法1aa1S為SnSnn4∴24S4n...WORD格式整理..aaaaan3141aaa134aaaa21111a29(aa)199a5a95＝·S2＝9＝53aa)59S1552d和qdq，4q2aad1＝．22∴＝12b2qaa＝aaa，a22nnnn又aaannnS而a＝2n1nn21232．1，22x12x12x2＝＝，22222x22xx1112x12x(22)x12222＋＝＝＝．22x22x22x22x2設(shè)則..專業(yè)知識(shí)分享...WORD格式整理..2，2．a(chǎn)a＝aa24354aaaaa＝a5423456aa324112q，2(aa)q369212aaaaq45612＝＋＋＋＝2Saaaa41234q2，＝＋＋＋＝＋SaaaSSq4812844aaaaSq48，328278×3232aaaaaa，3547aaaa4413(aa)13(aa)4S＝13＝10＝14222aa65aaa45(aa)＝＝4102(aad)552a)5..專業(yè)知識(shí)分享...WORD格式整理..12由12aS11當(dāng)2aSSn22nnanaaa1naan1111，，abc211∴＝＋acbaccbca(cac2(c2(c2(c)2c＋＝＝＝＝，acbcab∴，，abcaaaaqaa，2312111aq211．2..專業(yè)知識(shí)分享...WORD格式整理..()nnS＋＝．n22)()當(dāng)2S－bS＝S＞b．nn2nn1()12n9n2若S＋．2n24當(dāng)2S－bS＝()(n)，nn4N，當(dāng)29SbSbSb．+nnnnnn2aSS，a＝S，nnnSSSnSS，nnn2SS1＝．nn1nS2nnaaa4aaa，即4aqaaq，63174714111qq331q或q334aq)611q1q31S由＝＝＝；612