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已知eqId76282df129b1476c995436e8414bd3be为实系数一元二次方程的两虚根,eqId60ce372776b342cdbc6ee0f372d65057,且eqIdb741c4b7e37042469c7063f32f85ec2d,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是____________.
更新:2019/12/9难度系数:0.85题型:填空题组卷:0次
已知复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足eqId899e06a915a6442cafe6c8a04079dfb3eqIdd6c9a3e4bf6544d3850448c33f7ac2ce的虚部为2,
(1)求复数eqId2cd9e2fe3d6540df9399dbefe49ada54
(2)设eqId43b3b2df977840009816cc1b9195fc3c在复平面上对应点分别为eqId10bbe48f886a4fa78fdf8c1fd064f9b4,求eqId992fe44057cf4492895193f3f5398449的面积.
更新:2019/12/5难度系数:0.65题型:解答题组卷:18次
已知复数eqId9b1ee6393c8e41aeb5cba01e37b271a9,满足eqId8477c220256f4ca586690df31650173b,则eqId342df0dfc2674dd49ab14fff4513c105的最小值是______.
更新:2019/11/26难度系数:0.65题型:填空题组卷:92次
已知复数eqIde2a1a8bc6cd94a338a3da8bc09601076eqId05ea3c05e20345b1b1c06fd1ddb78be3,其中eqIdb6e15e51d29a47a7aff44f98b1aafaee为虚数单位,对于任意复数eqId2cd9e2fe3d6540df9399dbefe49ada54,有eqId98f14f5c114d414a8b9352a6c336a8cbeqId22f27f40ce1a46cd935df706587ad37b
(1)求eqId3a4208e0040c42ed8b09de2cae9d562e的值;
(2)若复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足eqId13844348bf08438cbc64f4be6fd756c9,求eqIdc2377f07cebf412a8a74bf38ef04f658的取值范围;
(3)我们把上述关系式看作复平面上表示复数eqId2cd9e2fe3d6540df9399dbefe49ada54的点eqIdd7be5abad1e34f6db17a56660de8d54f和表示复数eqId4f3b088061b74b91800ceb300f29522b的点eqId75a143b898e14ccdb032561fba9da811之间的一个变换,问是否存在一条直线eqId417e80f1349244878d01fe90e0891f5f,若点eqIdd7be5abad1e34f6db17a56660de8d54f在直线eqId417e80f1349244878d01fe90e0891f5f上,则点eqId75a143b898e14ccdb032561fba9da811仍然在直线eqId417e80f1349244878d01fe90e0891f5f上?如果存在,求出直线eqId417e80f1349244878d01fe90e0891f5f的方程,否则,说明理由.
更新:2019/11/26难度系数:0.65题型:解答题组卷:20次
已知方程eqIdef7d4c1ec0024e059b6b2069944aaed6eqId5fb1fa95ca434daea110d4d8e8f49e0e
(1)设eqIde9edd995034840cfb557ea415074294aeqIdb6e15e51d29a47a7aff44f98b1aafaee为虚数单位,且eqId0c748e59e4ac404b9fefade66c4b5e64是方程eqIdef7d4c1ec0024e059b6b2069944aaed6的一个根,求eqId0c243e5dded24989821daf9bef2676a6
(2)设eqIdf7cbc1ad0a7b4f97b479c131b62ad882eqIdaecaf42a9cfb4a5c8c0cade53729c9ba是方程eqIdef7d4c1ec0024e059b6b2069944aaed6的两个根,若eqId4cd3b9eaf0d44f8eafa95ab4fec953f5,求eqId0c243e5dded24989821daf9bef2676a6的值.
更新:2019/11/26难度系数:0.65题型:解答题组卷:30次
已知复数eqId4f3b088061b74b91800ceb300f29522beqId4b143fb0b6bd48c3b8db24a8a95343f3满足eqId3d8764ab2b904197b5a85ed50903f398eqId651d8bfd9770418493bc337de577eb3ceqId0e0900ea6a134f1fabfeed245f74bf4d,求eqId93dd08ebcedc4488a9ea5ba69f893dd7
更新:2019/11/26难度系数:0.65题型:解答题组卷:39次
实系数一元二次方程eqIda7cc6a706b1f48628f486e3999d2ec34eqId1000b58ee5604386bef75fc42b0aacc9的两个虚根eqId76282df129b1476c995436e8414bd3beeqId4f3b088061b74b91800ceb300f29522b的实部eqId99063f883e5f4b20a92c620fd9d8c4c9,则eqId524c9ad3446a42459ec2611d38e23a05的模等于eqId37705e1ef6a84bbdbe88433e75932cdf,则实数eqIdd33c7c1015944e2b81de4ff8695de842________.
更新:2019/11/20难度系数:0.65题型:填空题组卷:21次
已知复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足eqId2a48785a780243f8bcd96f4de2b26b06eqIdd6c9a3e4bf6544d3850448c33f7ac2ce的虚部为2.
(1)求复数eqId2cd9e2fe3d6540df9399dbefe49ada54
(2)设复数eqId2cd9e2fe3d6540df9399dbefe49ada54eqIdd6c9a3e4bf6544d3850448c33f7ac2ceeqIdbb2411faebef4366b0be009cabeee704在复平面上对应点分别为eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5ceqId19a4eb16029e4550a14f2afe4741a3c3,求eqIde0303e80485646d98322d0ae5aaa9bba的值.
更新:2019/11/19难度系数:0.65题型:解答题组卷:32次
若复数eqId71d83a6a1f80494f840f175602fe6884eqIdc733a595984d4f4cb859c23779d8e47b,(eqIdb6e15e51d29a47a7aff44f98b1aafaee为虚数单位)则实数eqId783c5f01aa1e49b29f88c27d2eca4354__________.
更新:2019/11/18难度系数:0.94题型:填空题组卷:13次
已知集合eqIdd0776af7a1c844bab21f02d954efe302eqId46cb40f815584d208bc17e228a75fdb7eqIdb6e15e51d29a47a7aff44f98b1aafaee为虚数单位),则集合eqIdcc614bd3390c4d028df189b234dcc351与集合eqId8754ce8cf7f34f04abb9a0c041f57f5c的关系是(   )
A.eqIdef22c6361eea4d5fb80eece0b436f186B.eqIdd94f647a662e413ea2f55f113024d227C.eqIdd0b7ff9dff15434782b506d41dd5dfa2D.eqId4ca834aedadc4eb0879a54c6421a2368
更新:2019/11/15难度系数:0.85题型:单选题组卷:43次
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