若抛物线y²=2px的焦点与椭圆x²/6+y²/2=1的右焦点重合,则p的值为多少?
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若抛物线y²=2px的焦点与椭圆x²/6+y²/2=1的右焦点重合,则p的值为多少?
若抛物线y²=2px的焦点与椭圆x²/6+y²/2=1的右焦点重合,则p的值为多少?
若抛物线y²=2px的焦点与椭圆x²/6+y²/2=1的右焦点重合,则p的值为多少?
椭圆,c的平方=6-2=4
∴ c=2
即椭圆的右焦点为(2,0)
由于抛物线的焦点坐标为
(p/2,0)
所以,p/2=2
于是,p=4