Binomial TheoremHard
Question
Let the co-efficients of xn in (1 + x)2n & (1 + x)2n - 1 be P & Q respectively, then 
=
=Options
A.9
B.27
C.81
D.none of these
Solution
P = 2nCn and Q = 2n-1Cn ⇒ P/Q = 2
= (1 + 2)5 = 35
= (1 + 2)5 = 35 Create a free account to view solution
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