lim1⼀2^n+2^n⼀3^n n趋向于无穷的极限

2024-11-01 10:33:41
推荐回答(2个)
回答1:

lim[n→+∞](1+2²+3²+…+n²)/n³
=lim[n→+∞]n(n+1)(2n+1)/(6n^3)
=lim[n→+∞]1(1+1/n)(2+1/n)/6
=1/3

回答2:

于无穷的极限