Integral Sum Set Elements (Jee Mains) | ExamDuo
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Definite Integrals and Reduction
Medium
Integral Sum Set Elements
Let a
n
=
∫
n
-1
(
1 +
x
2
+
x²
3
+ ... +
x
n - 1
n
)
dx for every n ϵ N. Then the sum of all the elements of the set {n ϵ N : a
n
ϵ {2, 30}} is ______.
SELECT ONE OPTION
A
5
B
3
C
2
D
4
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