A. 0

B. 1

C. -1

D. 2

The number of non zero terms in the expansion of (8+2)^{101} - (8-2)^{101} is

The coefficients of three consecutive terms in the expansion of (1+x)^{n} are in the ratio 1:7:42, then n=

Which term of (2x-3y)^{12} when x=1, y=5/2 numerically greatest?

If two consecutive terms in the expansion of (x+a)^{n }are equal where n is a positive integer then (n+1)a/x+a is

If the sum of odd terms and the sum of even terms in the expansion of (x+a)^{n} are p and q respectively then p^{2}+q^{2}=