一道初三函数题已知抛物线y=—x²+(m-2)x+3(m+1)交x轴于A(x1,0),B(x2,0),交y轴的正半轴于C点,且x1<x2,/x1/>/x2/,OA²+OB²=2OC+1.(1)求抛物线的解析式;(2)是否存在与抛物
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![一道初三函数题已知抛物线y=—x²+(m-2)x+3(m+1)交x轴于A(x1,0),B(x2,0),交y轴的正半轴于C点,且x1<x2,/x1/>/x2/,OA²+OB²=2OC+1.(1)求抛物线的解析式;(2)是否存在与抛物](/uploads/image/z/11164199-23-9.jpg?t=%E4%B8%80%E9%81%93%E5%88%9D%E4%B8%89%E5%87%BD%E6%95%B0%E9%A2%98%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D%E2%80%94x%26sup2%3B%2B%EF%BC%88m-2%EF%BC%89x%2B3%EF%BC%88m%2B1%EF%BC%89%E4%BA%A4x%E8%BD%B4%E4%BA%8EA%EF%BC%88x1%2C0%EF%BC%89%2CB%EF%BC%88x2%2C0%EF%BC%89%2C%E4%BA%A4y%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%BA%8EC%E7%82%B9%2C%E4%B8%94x1%EF%BC%9Cx2%2C%EF%BC%8Fx1%EF%BC%8F%EF%BC%9E%EF%BC%8Fx2%EF%BC%8F%2COA%26sup2%3B%2BOB%26sup2%3B%3D2OC%2B1.%EF%BC%881%EF%BC%89%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E4%B8%8E%E6%8A%9B%E7%89%A9)
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