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JEE Mains 30-Jan-2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 88 of 90
 
Marks: +1, -0
Let ‌‌
∞
∑
n=0
‌
n3((2n)!)+(2n−1)(n!)
(n!)((2n)!)
=ae+‌
b
e
+c, where a,b,c∈ℤ and e=
∞
∑
n=0
‌
1
n
 Then a2−b+c is equal to _______.
[30-Jan-2023 Shift 1]
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