Binomial TheoremHard

Question

The sum is equal to :

Options

A. (2n - 1 - 1)
B.(2n - 1)
C.(2n-1 - 1)
D.none

Solution

+ .... +   [nC1 + nC2 + .... + nCn-1]    (multiply and divde by n!)
= [2n - 2] = (2n-1 - 1)

Create a free account to view solution

View Solution Free
Topic: Binomial Theorem·Practice all Binomial Theorem questions

More Binomial Theorem Questions

, then =...The coefficient of x4 in is...If (1 + x)n = C0 + C1x + C2x2 +....+ Cnxn , then C0 − + ....+ (−1)n is equal to -...Let $729,81,9,1,\ldots$. be a sequence and $P_{n}$ denote the product of the first $n$ terms of this sequence.If $2\sum_...If n ∈ N & n is even, then...