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Byju's Answer
Standard XII
Mathematics
Special Integrals - 1
lim n→∞∑ r=1 ...
Question
lim
n
→
∞
n
∑
r
=
1
1
n
e
r
/
n
is
A
e
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B
e
−
1
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C
1
−
e
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D
e
+
1
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Solution
The correct option is
B
e
−
1
Given,
lim
n
→
∞
n
∑
r
=
1
1
n
e
r
/
n
=
∫
1
0
e
x
d
x
=
[
e
x
]
1
0
=
e
−
1
Suggest Corrections
0
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[AIEEE 2004]