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Byju's Answer
Standard XII
Mathematics
Definite Integral as Limit of Sum
limπ→∞∑ nr=1 ...
Question
l
i
m
π
→
∞
∑
n
r
=
1
1
n
e
r
n
i
s
[AIEEE 2004]
A
e + 1
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B
e - 1
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C
1 - e
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D
e
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Solution
The correct option is
B
e - 1
l
i
m
π
→
∞
∑
n
r
=
1
1
n
e
r
n
=
∫
1
0
e
x
d
x
=
[
e
x
]
1
0
=
e
−
1
Suggest Corrections
0
Similar questions
Q.
l
i
m
π
→
∞
∑
n
r
=
1
1
n
e
r
n
i
s
[AIEEE 2004]