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已知eqIdb6e15e51d29a47a7aff44f98b1aafaee为虚数单位,复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足eqIdd5bea1f318224ed2bb56c3ded791d981,则eqId2cd9e2fe3d6540df9399dbefe49ada54在复平面内对应的点所在的象限为(   )
A.第一象限B.第二象限C.第三象限D.第四象限
更新:2020/07/12难度:0.85题型:单选题组卷:0
已知复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足eqId7f6d11dba58e41638e57a07eaded3861,则eqIdad25bc8f453e47a3abb4eae48baed6b7的最大值是(   )
A.eqIdaa636217281449809574f5fb60028f05B.eqId4359e5eb66ee45e4aa6f0996dcea559dC.eqId219fb9eb918d4c5a86187f674fc545dfD.eqId802596c6759542c5961bb7f6d32477f6
更新:2020/07/12难度:0.65题型:单选题组卷:0
设复数eqId2cd9e2fe3d6540df9399dbefe49ada54的共轭复数是eqIdc9b3e5fa614043148ac9df7054646997,且eqId8477c220256f4ca586690df31650173b,又复数eqId2cd9e2fe3d6540df9399dbefe49ada54对应的点为eqId7fc4561966aa4ea2924541be8d21ddaeeqId1b4bd063fce94d60b27b5c4e97c09e6beqIdfec6f3e59d3c40cc9c8920561da9e82b为定点,则函数eqIdaf5feac126184772aa217938524ece3f取最大值时在复平面上以eqIdaf94355884f94efdab69b475c21e8effeqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5c三点为顶点的图形是(  )
A.等边三角形B.直角三角形
C.等腰直角三角形D.等腰三角形
更新:2020/07/10难度:0.4题型:单选题组卷:562
复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足eqIdd6a47d0041d6414da9c98a848b6f87c1,则复数eqId2cd9e2fe3d6540df9399dbefe49ada54对应点的轨迹是(   )
A.直线B.正方形C.圆D.椭圆
更新:2020/07/07难度:0.65题型:单选题组卷:0
已知复数eqId907b971e71fb44458c58b841466a1257i为虚数单位)在复平面内对应的点为eqId7c79ef7a09ce49e2982f71813ff9deef,复数z满足eqId57feac99eb834610b0dca41031ff0748,下列结论正确的是(   )
A.eqId7c79ef7a09ce49e2982f71813ff9deef点的坐标为eqId687b6c04f14249ac871f0d13ab5d7fc1B.复数eqId56c40d29b45b4c1bb2e096285285e398的共轭复数的虚部为-2i
C.复数z对应的点Z在一条直线上D.eqId7c79ef7a09ce49e2982f71813ff9deefz对应的点Z间的距离的最小值为eqId5f816d038c584dc7a249120298677ef3
更新:2020/07/07难度:0.85题型:多选题组卷:0
eqIdaf95a1be0ddb4f6784920dca439b8fb9,且eqId4ec75edd48d542708ab4ba1f789f9f52.
(1)求eqId2cd9e2fe3d6540df9399dbefe49ada54
(2)在(1)的条件下,若eqId3292bedfffe54b7d8d48c9244bce0261,求复数eqId0ccbc6f080fc43e3b8db8c69a41f02b8的模eqId48281236fd254ac9bb36f2c53bfc0130的取值范围.
更新:2020/07/03难度:0.65题型:解答题组卷:0