Binomial TheoremHard
Question
The sum of the terms of the series [3.nC0 − 8.nC1 + 13.nC2 − 18. nC3 + .....+ (n + 1)] is-
Options
A.3. 2n − 5n.2n-1
B.0
C.3. 2n + 5n.2n-1
D.None of these
More Binomial Theorem Questions
The coefficient of the middle term in the binomial expansion in powers of x of $(1 + \alpha x)^4$ and of $(1 - \alpha x)...If the coefficients of four consecutive terms in the expansion of (1 + x)n are a1,a2,a3 and a4, then are in -...The value of is -...The sum is equal to :...The value of the expression 47C4 + 52 - jC3 is equal to :...