![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b2ee50227087fc7cd3478da979a30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23047a7051ede5e9b68f9497676250a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2020-10-02 07:15:22
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相似题推荐
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【推荐1】已知复数
,
,其中i是虚数单位,
.
(1)若
为纯虚数,求a的值;
(2)若
,求
的虚部.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cae851956c88dbb8de13f5f4ae386e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04f844e8fd9d9b1ef835e23eaa54e2.png)
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【推荐2】已知复数
,
,
,
为虚数单位.
(1)若
是纯虚数,求实数m的值;
(2)若
,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1480f52e77baf7c12f11d6dcce591689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c122765e64f5424a441dc91ded463f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a6707805b36c3528266ba2593183af.png)
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【推荐1】已知
且
,
:复数
,
;
:不等式
对任意实数
恒成立.
(1)若
为真命题,求实数
的取值范围;
(2)如果“
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”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db76e6c5783dc0f09bcbd2e766e0da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3eacd6f343b9784304449fe4fb25ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6cf0c51d6f6df04da18f448eb65faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)如果“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】已知
,
(
为虚数单位).
(1)若
是纯虚数,求实数
的值;
(2)若
在复平面上对应的点在第二象限,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb6d537eeca6affdc7b99bc7661d275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab15cfa691e78c4caf7d23046df9eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65459ba5bb24fec721ea91ef3a6cba0b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511e98abf3110fbded2f1e5cd45b349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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【推荐3】已知复数
,
为虚数单位.
(1)若
,求
的值;
(2)若
为实数,求
的值;
(3)若
是关于
的实系数方程
的一个复数根,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fa2d0c04a4a3ee3560a81f5e517d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70c2519610d6d1d6d0855b0f27dfc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1721fca487716a0b4d22b32f4aa7e2af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59125f53697dc823d2eddacefc2b54b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07e31bcc30c13193200774102eca8e2.png)
您最近一年使用:0次
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【推荐1】计算:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b40f318b396153419d3b808ed41f7c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9be2ad714d5211ad85312bb00e5211f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f69d95f01961e3ae493fd2cf6df527bc.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8de1f9c9affa912960dd38114c9d46b.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fce13993f763ccd7340143d06791b6a.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca6317754c1fe4e5d77cee9c6bd121a.png)
您最近一年使用:0次