1.已知二次函数f(x)满足f(x+1)+f(x-1)=2x²-4,2.设 x1.x2是关于x的一元二次方程 x²-2(m-1)x+m+1=0的两个实根,又y=x1²+x2²,求y=f(m)的解析式于与定义域3.定义在非零实数集上的函数f(X)满足f(
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![1.已知二次函数f(x)满足f(x+1)+f(x-1)=2x²-4,2.设 x1.x2是关于x的一元二次方程 x²-2(m-1)x+m+1=0的两个实根,又y=x1²+x2²,求y=f(m)的解析式于与定义域3.定义在非零实数集上的函数f(X)满足f(](/uploads/image/z/5628980-20-0.jpg?t=1.%E5%B7%B2%E7%9F%A5%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E6%BB%A1%E8%B6%B3f%28x%2B1%29%2Bf%28x-1%29%3D2x%26%23178%3B-4%2C2.%E8%AE%BE+x1.x2%E6%98%AF%E5%85%B3%E4%BA%8Ex%E7%9A%84%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B+x%26%23178%3B-2%EF%BC%88m-1%29x%2Bm%2B1%3D0%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%A0%B9%2C%E5%8F%88y%3Dx1%26%23178%3B%2Bx2%26%23178%3B%2C%E6%B1%82y%3Df%28m%29%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%E4%BA%8E%E4%B8%8E%E5%AE%9A%E4%B9%89%E5%9F%9F3.%E5%AE%9A%E4%B9%89%E5%9C%A8%E9%9D%9E%E9%9B%B6%E5%AE%9E%E6%95%B0%E9%9B%86%E4%B8%8A%E7%9A%84%E5%87%BD%E6%95%B0f%28X%29%E6%BB%A1%E8%B6%B3f%28)
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