数列{an}的通项公式an= ,f(n)=(1-a1)(1-a2)(1-a3)……(1-an).(1)求f(1),f(2),f(3),f(4),并猜想f(n)的表达式;(2)用数字归纳法证明你的结论.An=1÷(n+1)平方
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![数列{an}的通项公式an= ,f(n)=(1-a1)(1-a2)(1-a3)……(1-an).(1)求f(1),f(2),f(3),f(4),并猜想f(n)的表达式;(2)用数字归纳法证明你的结论.An=1÷(n+1)平方](/uploads/image/z/655558-70-8.jpg?t=%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8Fan%3D+%2Cf%28n%29%3D%281-a1%29%281-a2%29%281-a3%29%E2%80%A6%E2%80%A6%EF%BC%881-an%EF%BC%89.%EF%BC%881%EF%BC%89%E6%B1%82f%281%29%2Cf%282%29%2Cf%283%29%2Cf%284%29%2C%E5%B9%B6%E7%8C%9C%E6%83%B3f%28n%29%E7%9A%84%E8%A1%A8%E8%BE%BE%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E7%94%A8%E6%95%B0%E5%AD%97%E5%BD%92%E7%BA%B3%E6%B3%95%E8%AF%81%E6%98%8E%E4%BD%A0%E7%9A%84%E7%BB%93%E8%AE%BA.An%3D1%C3%B7%EF%BC%88n%2B1%EF%BC%89%E5%B9%B3%E6%96%B9)
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