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在直角坐標系eqId2272a344734c4fb088737b84294f7219中,曲線eqId19a4eb16029e4550a14f2afe4741a3c3的參數方程為eqId50b64167909847c586039aad3a833da8 (其中參數eqIdb893015b3c0741849597b071c15a4928).
(1)以坐標原點為極點,eqIdc12aac8c2448479687a40735b3572a23軸非負半軸為極軸建立極坐標系甘肃十一选五,求曲線eqId19a4eb16029e4550a14f2afe4741a3c3的極坐標方程;
(2)直線eqId417e80f1349244878d01fe90e0891f5f的參數方程為eqId626689e1e5314fcca61a0085478e361b (其中參數eqId147167b0232945c4af2c2adf04403c0d,eqIdc13953f2514e4c8f9c8aaaf5241c33ac是常數),直線eqId417e80f1349244878d01fe90e0891f5f與曲線eqId19a4eb16029e4550a14f2afe4741a3c3交于eqIdeb53cb7cb0274f7d8f111c60f824c243兩點,且eqId567da90c3ce04ae19ec4bf44dcccb51c甘肃十一选五,求直線eqId417e80f1349244878d01fe90e0891f5f的斜率.
更新:2019/7/27難度系數:0.65題型:解答題組卷:5次
定義在eqId7dcd2312d0bf4bb1befdfcc170e45791上的函數eqId6f13759e937144069819aed2ae5a1057滿足eqIde6e64000d664446983f87d7501ce5028甘肃十一选五,eqId4a199683af45400fbba5a046ec410f03eqIdd9ed14ae1af5475ba8573e8019035573,則eqId53b8d36b320c4d95be9faf4346fbef0d=__________。
更新:2019/7/27難度系數:0.65題型:填空題組卷:1次
已知eqId144eff5c0e4649138a21f2b1b6a06907eqIddca4c31f92e1447fb6eceb9fdf294175上的可導函數甘肃十一选五,且有eqId4c2a0ceebe9244d088c51ea263b44b70,則對于任意的eqIdac3d2953aff24cf0b3360f4e467a70dc,當eqId85fdc7349b7a4159aea83535d27e54ce時,有(  )
A.eqId9c4904f6782a43e69571ce310d276905B.eqIdbe1058c86ee34a44b10b6eff37be94aa
C.eqId4163cd0a1b3d4ca59d14f22e1e33bb36D.eqIdfa6b3b33979a44549fea405abd3b748a
更新:2019/7/27難度系數:0.65題型:單選題組卷:2次
已知eqId1816e34e5e8742dfa1d67e54e12c80b4是R上的增函數,那么實數eqId70a27b6ddf6b478285353abb3b1f3741的取值范圍是(?)
A.eqIde327c47000b04c6daee727c47be19120B.eqIde962b1d59f754ad9bbb80a71d9da8105C.eqId687b6c04f14249ac871f0d13ab5d7fc1D.eqId5150967f0b6647abb3d061f151e6429e
更新:2019/7/27難度系數:0.65題型:單選題組卷:7次
已知:雙曲線eqId293f47bac2574675bc7717ac6dde0f4f的左、右焦點分別為eqIdf63bd695cded4f1aad8f6594e65cc44e甘肃十一选五,動點eqIdd7be5abad1e34f6db17a56660de8d54f滿足eqId1960d7cc525f40c5ba33857f7520eda1
(1)求:動點eqIdd7be5abad1e34f6db17a56660de8d54f的軌跡eqId93cbffaa5ae045d6ac45d1e979991c3a的方程甘肃十一选五;
(2)若eqId2381423d4cd146cab95f55527681a766是曲線eqId93cbffaa5ae045d6ac45d1e979991c3a上的一個動點甘肃十一选五,求eqId99631a5ba76a47a68d8f50d120ef37bd的最小值.并說明理由.
更新:2019/7/27難度系數:0.65題型:解答題組卷:0次
若直線eqIdca2562bc01c14710825ecd4b6cfd2906與拋物線eqIda807245456b04e3397b6665c0a779287交于eqIdeb53cb7cb0274f7d8f111c60f824c243兩個不同的點甘肃十一选五,拋物線的焦點為eqIdd5b10b2a13f148b78e0d5a1b820538fd甘肃十一选五,且eqIdab764bdd17b24ade815ef48cf853aaa2成等差數列,則eqIdf3ccc5889ff44339b4e5a8c578f48e0e?( ?。?table name="optionsTable" cellpadding="0" cellspacing="0" width="100%">A.2或eqIdfca343da1efc413487359c1551da9dbeB.eqIdfca343da1efc413487359c1551da9dbeC.2D.eqId91c86cedffb941c78072d1252337b12f
更新:2019/7/27難度系數:0.94題型:單選題組卷:0次
eqId35f1ed66ad8a4951a5b8b26ae7f64530甘肃十一选五,且eqId438c2edaa0634ec9b8ca35f5cfbc6755?(其中eqId568b659f7db24da286581aa0183ef34b),則eqId2381423d4cd146cab95f55527681a766的范圍是( ?甘肃十一选五。?table name="optionsTable" cellpadding="0" cellspacing="0" width="100%">A.eqId5273c4a8034d40728014e6ea46f03f0eB.eqId28653e2b36c94f5c8f97c4e91137f10aC.eqId9e58931d98f34d02b803c31d98382b97D.eqIda6f775a3b73e405b8d8da75ab8f54fd7
更新:2019/7/27難度系數:0.65題型:單選題組卷:396次
eqId0f8b0492f0ed4c09af002dddc371cd57時,不等式eqId548a4350727242feb7e319def89f1f04恒成立甘肃十一选五,則eqId3a4208e0040c42ed8b09de2cae9d562e的取值范圍是( ?。?table name="optionsTable" cellpadding="0" cellspacing="0" width="100%">A.eqId4455efc5161244c2a287bc06077ec6cfB.eqId4482a4f27dd54eb6bf82f448445e9702C.eqId10ec394674144d66bb60e6653601385cD.eqId21ce448472fe49008811ca46d818061e
更新:2019/7/27難度系數:0.65題型:單選題組卷:6次
若關于eqIdc12aac8c2448479687a40735b3572a23的不等式eqId6cd7ab1c23624166b282898b1bcb3332的解集為eqId4ac49d45eeb7449ba4ad3746e6099dc6甘肃十一选五,則eqId1b339fa4163a4e6e9db1964be39c2f51等于( ?。?table name="optionsTable" cellpadding="0" cellspacing="0" width="100%">A.eqIdfca343da1efc413487359c1551da9dbeB.1C.2D.3
更新:2019/7/27難度系數:0.85題型:單選題組卷:3次
eqId2eddef4660e44f4082df4ec4a0870e35”是“eqId6b946dcfe52b4ecf9798684495f8bd22”成立的( ?。?table name="optionsTable" cellpadding="0" cellspacing="0" width="100%">A.充分不必要條件B.必要不充分條件C.充要條件D.既不充分也不必要條件
更新:2019/7/27難度系數:0.94題型:單選題組卷:2次
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