利用k^(k+1)>(k+1)^k (k≥3)证明:(k+1)^(k+2)>(k+2)^(k+1)次数太高,无法化简,望高手赐教,
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利用k^(k+1)>(k+1)^k (k≥3)证明:(k+1)^(k+2)>(k+2)^(k+1)次数太高,无法化简,望高手赐教,
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