抛物线..抛物线C1:y=-X^2+2mx+n(m.n为常数,且m不=0,n>0)的顶点为A,与Y轴交与点C.抛物线C2与抛物线C1关于Y轴对称.顶点为B.连接AC AB BC(1)直接写C2解析式(2)三角形ABC形状...说明理由
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![抛物线..抛物线C1:y=-X^2+2mx+n(m.n为常数,且m不=0,n>0)的顶点为A,与Y轴交与点C.抛物线C2与抛物线C1关于Y轴对称.顶点为B.连接AC AB BC(1)直接写C2解析式(2)三角形ABC形状...说明理由](/uploads/image/z/11970939-3-9.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BF..%E6%8A%9B%E7%89%A9%E7%BA%BFC1%3Ay%3D-X%5E2%2B2mx%2Bn%28m.n%E4%B8%BA%E5%B8%B8%E6%95%B0%2C%E4%B8%94m%E4%B8%8D%3D0%2Cn%3E0%29%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAA%2C%E4%B8%8EY%E8%BD%B4%E4%BA%A4%E4%B8%8E%E7%82%B9C.%E6%8A%9B%E7%89%A9%E7%BA%BFC2%E4%B8%8E%E6%8A%9B%E7%89%A9%E7%BA%BFC1%E5%85%B3%E4%BA%8EY%E8%BD%B4%E5%AF%B9%E7%A7%B0.%E9%A1%B6%E7%82%B9%E4%B8%BAB.%E8%BF%9E%E6%8E%A5AC+AB+BC%281%29%E7%9B%B4%E6%8E%A5%E5%86%99C2%E8%A7%A3%E6%9E%90%E5%BC%8F%282%29%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E5%BD%A2%E7%8A%B6...%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1)
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