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若抛物线y2=2px的焦点与椭圆的右焦点重合,则p的值为( ) A.-2 B.2...
若抛物线y
2=2px的焦点与椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214050376018622/SYS201310232140503760186003_ST/0.png)
的右焦点重合,则p的值为( )
A.-2
B.2
C.-4
D.4
考点分析:
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若数列A
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已知椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214050376016222/SYS201310232140503760162018_ST/0.png)
的离心率为
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,右焦点为(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214050376016222/SYS201310232140503760162018_ST/2.png)
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(Ⅱ)求△PAB的面积.
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