JEE Main 4 Apr 2024 Shift 1 Solved Paper

Section: Mathematics

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Question : 26 of 90

Marks: +1, -0

Let a=1+‌

‌2C2

3!

+‌

‌3C2

4!

+‌

‌4C2

5!

+...,
b=1+‌

‌1C0+‌1C1

1!

+‌

‌2C0+‌2C1+‌2C2

2!

+‌

‌3C0+‌3C1+‌3C2+‌3C3

3!

+...
Then ‌

2b

a2

is equal to _______

[4 Apr 2024 Shift 1]

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