计算:limn→∞3n+13n+1+2n=______.-数学

题目简介

计算:limn→∞3n+13n+1+2n=______.-数学

题目详情

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

答案

lim
n→∞
3n+1
3n+1+2n
=
lim
n→∞
3n
3n
+class="stub"1
3n
3n+1
3n
+
2n
3n
=class="stub"1
3

故答案为:class="stub"1
3

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