lim1⼀2^n+2^n⼀3^n n趋向于无穷的极限

2024-11-01 10:33:41
有2个网友回答
网友(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

网友(2):

于无穷的极限