高一下学期数学题、等比等差数列、求高手解答已知函数f(x)=x/ax+b(a、b为常数、a≠0) f(2)=1 且f(x)=x有一个解、求:(1)f(x)的解析式 (2)记Xn=f(Xn-1)且X1=1 X属于整数第二问求Xn
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![高一下学期数学题、等比等差数列、求高手解答已知函数f(x)=x/ax+b(a、b为常数、a≠0) f(2)=1 且f(x)=x有一个解、求:(1)f(x)的解析式 (2)记Xn=f(Xn-1)且X1=1 X属于整数第二问求Xn](/uploads/image/z/10452773-29-3.jpg?t=%E9%AB%98%E4%B8%80%E4%B8%8B%E5%AD%A6%E6%9C%9F%E6%95%B0%E5%AD%A6%E9%A2%98%E3%80%81%E7%AD%89%E6%AF%94%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%E3%80%81%E6%B1%82%E9%AB%98%E6%89%8B%E8%A7%A3%E7%AD%94%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%3Dx%2Fax%2Bb%EF%BC%88a%E3%80%81b%E4%B8%BA%E5%B8%B8%E6%95%B0%E3%80%81a%E2%89%A00%EF%BC%89+f%EF%BC%882%EF%BC%89%3D1+%E4%B8%94f%EF%BC%88x%EF%BC%89%3Dx%E6%9C%89%E4%B8%80%E4%B8%AA%E8%A7%A3%E3%80%81%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89f%EF%BC%88x%EF%BC%89%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F+%EF%BC%882%29%E8%AE%B0Xn%3Df%EF%BC%88Xn-1%EF%BC%89%E4%B8%94X1%3D1+X%E5%B1%9E%E4%BA%8E%E6%95%B4%E6%95%B0%E7%AC%AC%E4%BA%8C%E9%97%AE%E6%B1%82Xn)
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