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选修4-5不等式选讲
已知关于eqIdc12aac8c2448479687a40735b3572a23的不等式eqId71f9a572a88f4c87af07d6e66a152e7b的解集为eqIdfef207e849fa42019d6fe9223c7f8de7,其中eqId6a13e7b7d92849eba6c91758c54a673f.
(1)求eqId3a4208e0040c42ed8b09de2cae9d562e的值;
(2)若正数eqId70a27b6ddf6b478285353abb3b1f3741eqIdaea992e70d4943e49e893817eb885ed7eqIdad7cefefaba947e1a168bca491c4fca1满足eqId901744f99d84461c9351437ba6a2da7b,求证:eqIdeaf19334b1b041c0ad87e295a57a203a.
更新:2019/6/19难度系数:0.65题型:解答题组卷:272次
eqIdff19a45f3d334b2089b1415d3b21b102在曲线eqId19a4eb16029e4550a14f2afe4741a3c3eqIdff7c6290b513411ab427ad31a00c3716上运动,eqIdb2cb3e5ef29c4a62b7fbc9e4f9d05b3a,且eqId32454977564e4ee18da36bd51156c509的最大值为eqIde3ff50261b3b48789d45dd3876c7571b,若eqIdd010c61945a34d1dbb825ce9e5fc27d6,则eqIdcc14a979864c4f5f891d790121e47c3e的最小值为_____.
更新:2019/6/19难度系数:0.65题型:填空题组卷:183次
已知双曲线eqIdc4496dafda1c478fb528d8a8a0c9c9f5的左、右焦点分别为点eqIde0ad948388264142b3cd0cb3bcd3fbb7eqIda8255720cc584bd2932cc65aeffcc0c3,抛物线eqIdce3377e0064d45f7b92100898a2039dc与双曲线在第一象限内相交于点eqIdd7be5abad1e34f6db17a56660de8d54f,若eqIdd9b4132b24eb4ec5babb8966c6a4fbda,则双曲线的离心率为(  )
A.eqIdc0974cbb28824e3a8b0c501e0ad9421eB.eqId79ffad7c3d8142b88808edb923771c5eC.eqId94cd6242e9394c5b9aba165383223193D.eqIda6cc4ecb53dd44c79f1094c31bd61e7b
更新:2019/6/19难度系数:0.65题型:单选题组卷:143次
将函数eqIdf58ae75fec2c458dbda43eca8b082583的图象向左平移eqId78e889f7c87448e99a30ff538595113e个单位后得到函数eqId5e981552b1494e3987280e4f43f8ce4a的图象,若函数eqId5e981552b1494e3987280e4f43f8ce4a为偶函数,则函数eqId144eff5c0e4649138a21f2b1b6a06907eqId4fcf63af82cc4ff28ff67a0f399387d2的值域为(  )
A.eqId1afeb35477674b148fca04d3ba7473cdB.eqId34f3a2864310457c8962e21416a77d52C.eqIdd763e19f7d6c443aa4f2077b7beface5D.eqIdc5ae4b3238024bdeb5097cf811b63266
更新:2019/6/19难度系数:0.65题型:单选题组卷:239次
如图的程序框图,当输出eqIda8916f71c3154c039c018534899de977后,程序结束,则判断框内应该填(  )
figure
A.eqId3e62629513044811b37de88e3c2b9e0dB.eqId6f271c914c434bd8a81217596d26c8b9C.eqIdebaffb108e8a4acfbe2ffa98d9e20f9bD.eqId20938bdeedfd4825875270d5be195318
更新:2019/6/19难度系数:0.65题型:单选题组卷:98次
若数列eqIdb3273565c7194ed58b7d13a8e5279614满足eqIdf7ab0d6dabdf4e28ac6ea248ab2f937c.
(1)设eqId30a65a79040444c281d281bc6d5528f1,求证数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63是等差数列;
(2)求数列eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式.
更新:2019/7/11难度系数:0.65题型:解答题组卷:565次
已知eqId759a9a797e714f78ab9b800c441c533d,设eqId58aacce836934c8ea075d221ea544545
(1)求eqId6f13759e937144069819aed2ae5a1057的解析式并求出它的周期eqIdf8ef9ec340b848fc8802eec4cf1a8b89
(2)在eqId992fe44057cf4492895193f3f5398449中,角eqId10bbe48f886a4fa78fdf8c1fd064f9b4所对的边分别为eqId0ce93bfa1f6a4a23b3258410dd19847a,且eqIdfe873eb762144cbda2796d7ad78e2921,求eqId992fe44057cf4492895193f3f5398449的面积.
更新:2019/7/11难度系数:0.65题型:解答题组卷:406次
已知函数eqId0aa09af14f574227a6cbfd98e68c5e13.
(1)求eqIdb573f36188154165bbc43a356e9d316d的值;
(2)求函数eqId4837c94ef0ff4dcf9b1dda4df363275a的单调递增区间.
更新:2019/7/11难度系数:0.85题型:解答题组卷:299次
下列结论:①函数eqIda07c5a61ee3f4f7ca4a5a29f8cba4b3d的图象的一条对称轴方程是eqId51265413abb54a3cb7546382e5c80649;②eqId992fe44057cf4492895193f3f5398449中,若eqId9db00393d5ef4a1697f88b3448952ccc,则eqId30c12283e46b4115bb4475066d23eff0;③在eqId992fe44057cf4492895193f3f5398449中,内角eqId10bbe48f886a4fa78fdf8c1fd064f9b4成等差数列,则eqId9d280fb1fe414e4ca40ee36bfdf825c4;④已知数列eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式为eqId6ad8a8ccaed842c2994aab83cf4c8b3e,其前eqIdf458db68122849abb588feb2e682d9ac项和为eqIddb5481de79c946c0a760143297d5eade,当eqIddb5481de79c946c0a760143297d5eade取得最大值时eqId3f95bc3380e54bb9871b0a3cbe1003b5,其中正确的序号是______.
更新:2019/7/11难度系数:0.85题型:填空题组卷:33次
在数列eqId93e38ecd74a24cb59da79181b95bfd3a中,eqId77b3f6b9955e499dbdab033a38779496,且对于任意自然数eqIdf458db68122849abb588feb2e682d9ac,都有eqIde96915613eec4a5fbfde5abe40d38139,则eqId9d51ad182bd541949184738b462bbab8______.
更新:2019/7/11难度系数:0.94题型:填空题组卷:191次
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