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题目:设数列$a_0,a_1,a_2,\cdots,a_n$满足$a_0=\dfrac{1}{2}$及$a_{k+1}=a_k+\dfrac{1}{n}{a_k}^2$($k=0,1,2,\cdots$),其中$n$是一个给定的正整数,求证:\[1-\dfrac{1}{n}<a_n<1\]
题解
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2025-7-15 15:25 GMT+8
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