名校
1 . 若
是方程
的一个虚数根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8646eaa05bfde39d27813c301a076420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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名校
解题方法
2 . 若复数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683103fe7da4280d75dbc7ad914541b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
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3 . 复数
满足
,其中
为虚数单位,则复数
的虚部为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cba625fc17cf10582952a05e4b2a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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4 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d73bb75b197203cd0bd5a6e12aaf4a3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46ccef5ddef05f2aa8ab837d05b3dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d73bb75b197203cd0bd5a6e12aaf4a3.png)
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解题方法
5 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca68753acc683eb66f92d0156b5026.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca68753acc683eb66f92d0156b5026.png)
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6 . 复数
在复平面内对应的点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6150fca7d7bdeb01bcbddc11591b029c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8833ba3833480237f47774984958c01d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6150fca7d7bdeb01bcbddc11591b029c.png)
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7 . 已知一圆柱的体积为
立方厘米,则当该圆柱的表面积最小时,底面半径![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
________ 厘米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bba1ba4ec53b7a44b838fc3a1472a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
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8 . 某一质点做直线运动,由始点经过t秒后的位移(单位:米)为
,则
秒时的瞬时速度为__________ 米/秒.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24fb7a5061aa77ba283a92f7094b4f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a4c1dc47fc1191186523961f0ea2d1.png)
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9 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5ce5580a203d0e60063db500b0f244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
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10 . 在复数范围内,方程
的一个解为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fdfb84247dffc8fcc6678d34e00dd2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8646eaa05bfde39d27813c301a076420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fdfb84247dffc8fcc6678d34e00dd2.png)
您最近一年使用:0次