Binomial TheoremHard

Question

If the second term of the expansion is 14a5/2, then the value of is:

Options

A.4
B.3
C.12
D.6

Solution

T2 = nC1 (a1/13)n-1 (a3/2) = 14a5/2
⇒  n = 14
∴  = 4

Create a free account to view solution

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

More Binomial Theorem Questions

Coefficient of xn - 1 in the expansion of, (x + 3)n + (x + 3)n - 1 (x + 2) + (x + 3)n - 2 (x + 2)2 +..... + (x + 2)n is ...If n = 11 then (C02 − C12 + C22 − C32 +.....+ (−1)n (Cn2) equals-...The greatest terms of the expansion (2x + 5y)13 when x = 10, y = 2 is -...Co-efficient of at in the expansion of (α + p)m-1 + ( α + p)m-2 (α + q) + (α + p)m-3 (α + q)2 +...Find the value...