啥叫椭圆的准线
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啥叫椭圆的准线
啥叫椭圆的准线
啥叫椭圆的准线
椭圆上任一点,到焦点的距离与到定直线的距离之比为定值 e(0
这个 怎么说呢
椭圆上P点坐标(x0,y0)0
准线方程 x=a^2/c x=-a^2/c
啥叫椭圆的准线
啥叫椭圆的准线
啥叫椭圆的准线
椭圆上任一点,到焦点的距离与到定直线的距离之比为定值 e(0
这个 怎么说呢
椭圆上P点坐标(x0,y0)0
准线方程 x=a^2/c x=-a^2/c