当n趋向于无穷时,求n^(1⼀2)*[n^(1⼀n)-1]的极限(求帮助)

2025-02-27 13:14:36
推荐回答(1个)
回答1:

  解记
    h(n) =n^(1/n)-1,

    h(n) > 0,

    n = [h(n)+1]^n > [n(n-1)(n-2)/6][h(n)]^3,
可得
    0 < h(n)