已知抛物线y=x²+(2n-1)x+n²-1 (n为常数)1、当该抛物线经过坐标原点,并且顶点在第四象限时,求出它所对应的函数关系式2、设A是(1)所确定的抛物线上位于x轴下方,且在对称轴左侧的一
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![已知抛物线y=x²+(2n-1)x+n²-1 (n为常数)1、当该抛物线经过坐标原点,并且顶点在第四象限时,求出它所对应的函数关系式2、设A是(1)所确定的抛物线上位于x轴下方,且在对称轴左侧的一](/uploads/image/z/4053388-4-8.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx%26sup2%3B%2B%EF%BC%882n-1%29x%2Bn%26sup2%3B%EF%BC%8D1+%EF%BC%88n%E4%B8%BA%E5%B8%B8%E6%95%B0%EF%BC%891%E3%80%81%E5%BD%93%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%BB%8F%E8%BF%87%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E5%B9%B6%E4%B8%94%E9%A1%B6%E7%82%B9%E5%9C%A8%E7%AC%AC%E5%9B%9B%E8%B1%A1%E9%99%90%E6%97%B6%2C%E6%B1%82%E5%87%BA%E5%AE%83%E6%89%80%E5%AF%B9%E5%BA%94%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F2%E3%80%81%E8%AE%BEA%E6%98%AF%281%29%E6%89%80%E7%A1%AE%E5%AE%9A%E7%9A%84%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%E4%BD%8D%E4%BA%8Ex%E8%BD%B4%E4%B8%8B%E6%96%B9%2C%E4%B8%94%E5%9C%A8%E5%AF%B9%E7%A7%B0%E8%BD%B4%E5%B7%A6%E4%BE%A7%E7%9A%84%E4%B8%80)
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