CUSAT 2022 BTech Solved Paper Shift 4

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Question : 166 of 200

Marks: +1, -0

‌

1

n!

+‌

1

2!(n−2)!

+‌

1

4(n−4)!

+...+∞ is equal to

‌
2n
n!
‌
2n
(n+1)!
‌
2n−1
n!
‌
2n−2
(n+1)!

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