已知定理:“若a,b为常数,g(x)满足g(a+x)+g(a-x)=2b,则函数y=g(x)的图像关于电(a,b)中心对称”设函数f(x)=(x+1-a)/(a-x),定义域为A(1) 试证明y=f(x)的图像关于点(a,-1)成中心对称(2)当x属于[a-2,a-1]时,求证
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![已知定理:“若a,b为常数,g(x)满足g(a+x)+g(a-x)=2b,则函数y=g(x)的图像关于电(a,b)中心对称”设函数f(x)=(x+1-a)/(a-x),定义域为A(1) 试证明y=f(x)的图像关于点(a,-1)成中心对称(2)当x属于[a-2,a-1]时,求证](/uploads/image/z/5631727-31-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%AE%9A%E7%90%86%EF%BC%9A%E2%80%9C%E8%8B%A5a%2Cb%E4%B8%BA%E5%B8%B8%E6%95%B0%2Cg%28x%29%E6%BB%A1%E8%B6%B3g%28a%2Bx%29%2Bg%28a-x%29%3D2b%2C%E5%88%99%E5%87%BD%E6%95%B0y%3Dg%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%85%B3%E4%BA%8E%E7%94%B5%28a%2Cb%29%E4%B8%AD%E5%BF%83%E5%AF%B9%E7%A7%B0%E2%80%9D%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3D%28x%2B1-a%29%2F%28a-x%29%2C%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BAA%281%29+%E8%AF%95%E8%AF%81%E6%98%8Ey%3Df%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%85%B3%E4%BA%8E%E7%82%B9%28a%2C-1%29%E6%88%90%E4%B8%AD%E5%BF%83%E5%AF%B9%E7%A7%B0%EF%BC%882%EF%BC%89%E5%BD%93x%E5%B1%9E%E4%BA%8E%5Ba-2%2Ca-1%5D%E6%97%B6%2C%E6%B1%82%E8%AF%81)
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