> 数学 >
极限limn→无穷 (2n^2-3n+1)/n+1 sin1/n
人气:403 ℃ 时间:2020-07-23 18:03:23
解答
原式=极限limn→无穷 (2n^2-3n+1)/n(n+1)
=lim(n->∞)(2-3/n+1/n^2)/(1+1/n)
=2/1
=2
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版