问题
填空题
|
答案
(lim n→∞
+1 2n2+1
+3 2n2+1
+…+5 2n2+1
)=2n-1 2n2+1 lim n→∞ n[1+(2n-1)] 2 2n2+1
=lim n→∞
=2n2 4n2+2 lim n→∞
=2 4+ 2 n2
=2 4+0
,1 2
故答案为
.1 2
|
(lim n→∞
+1 2n2+1
+3 2n2+1
+…+5 2n2+1
)=2n-1 2n2+1 lim n→∞ n[1+(2n-1)] 2 2n2+1
=lim n→∞
=2n2 4n2+2 lim n→∞
=2 4+ 2 n2
=2 4+0
,1 2
故答案为
.1 2