过原点的直线l与抛物线y=ax^2+1相交于A(-4,5),B两点,点A关于y轴的对称点为C.(1)求直线BC的解析式(2)过原点任作一条与直线l不同的直线m,交抛物线y=ax^2+1于D,E两点,点D关于y轴的对称点为F,则直
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![过原点的直线l与抛物线y=ax^2+1相交于A(-4,5),B两点,点A关于y轴的对称点为C.(1)求直线BC的解析式(2)过原点任作一条与直线l不同的直线m,交抛物线y=ax^2+1于D,E两点,点D关于y轴的对称点为F,则直](/uploads/image/z/11491545-57-5.jpg?t=%E8%BF%87%E5%8E%9F%E7%82%B9%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%B8%8E%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2%2B1%E7%9B%B8%E4%BA%A4%E4%BA%8EA%EF%BC%88-4%2C5%EF%BC%89%2CB%E4%B8%A4%E7%82%B9%2C%E7%82%B9A%E5%85%B3%E4%BA%8Ey%E8%BD%B4%E7%9A%84%E5%AF%B9%E7%A7%B0%E7%82%B9%E4%B8%BAC.%281%29%E6%B1%82%E7%9B%B4%E7%BA%BFBC%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%882%EF%BC%89%E8%BF%87%E5%8E%9F%E7%82%B9%E4%BB%BB%E4%BD%9C%E4%B8%80%E6%9D%A1%E4%B8%8E%E7%9B%B4%E7%BA%BFl%E4%B8%8D%E5%90%8C%E7%9A%84%E7%9B%B4%E7%BA%BFm%2C%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2%2B1%E4%BA%8ED%2CE%E4%B8%A4%E7%82%B9%2C%E7%82%B9D%E5%85%B3%E4%BA%8Ey%E8%BD%B4%E7%9A%84%E5%AF%B9%E7%A7%B0%E7%82%B9%E4%B8%BAF%2C%E5%88%99%E7%9B%B4)
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