计算:limn→∞2n2+n+3(2n+1)2=______.-数学

题目简介

计算:limn→∞2n2+n+3(2n+1)2=______.-数学

题目详情

计算:
lim
n→∞
2n2+n+3
(2n+1)2
=______.
题型:填空题难度:中档来源:不详

答案

lim
n→∞
2n2+n+3
(2n+1)2
=
lim
n→∞
2+class="stub"1
n
+class="stub"3
n2
4+class="stub"4
n
+class="stub"1
n2
=class="stub"2+0+0
4+0+0
=class="stub"1
2

故答案为:class="stub"1
2

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