名校
解题方法
1 . 古希腊哲学家、百科式科学家阿基米德最早采用分割法求得椭圆的面积为椭圆的长半轴长和短半轴长乘积的
倍,这种方法已具有积分计算的雏形.已知椭圆
的面积为
,离心率为
,
,
是椭圆
的两个焦点,
为椭圆
上的动点,则下列结论正确的是( )
①椭圆
的标准方程可以为
②若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4689eea177dfadad2bbf39da5c5f42.png)
③存在点
,使得
④
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f625183d3afdc8cfccc15052b087e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c527aecdeaea8b50966f96938c1fc2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ac28f4009db85e217fcc01a02d8084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a62cd39019b41b4bc2e7df87844868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4689eea177dfadad2bbf39da5c5f42.png)
③存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10dbd3ede6bf5330f3345a714665675c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfd01398a70738a48e3682e5712d2be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f625183d3afdc8cfccc15052b087e9.png)
A.①③ | B.②④ | C.②③ | D.①④ |
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2024-01-16更新
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9卷引用:黄金卷04(2024新题型)
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