JEE Advanced Model Paper 13 with solutions for online practice

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Question : 47 of 60
 
Marks: +1, -0
Lt
n→∞
n
Σ
k=0
n
‌
Ck
nk(3+k)
= L where
n
‌
Ck
=
n!
k!(n−k)!
. Then [L + 2] = ..... where [.] is G.I.F
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