题目内容

lim
n→∞
(
1
2n2+1
+
3
2n2+1
+
5
2n2+1
+…+
2n-1
2n2+1
)
的值为______.
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
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