Find the sum of the last 30 coefficients in the expansion of `(1+x)^(59),` when expanded in ascending powers of `xdot`

Let S be the sum of the last 24 coefficients in the expansion of (1 + x)^(47) when expanded in ascending powers of x, then (S-2^(44))/(2^(44)) =____

If sum of the last 30 coefficients in the expansion of (1+x)^59, when expanded in ascending power of 'x' is 2^n then number of divisors of 'n' of the form 4lambda+ 2(lambda in N) is (A)1 (B)0 (C)2 (D) 4

The sum of the last eitht coefficients in the expansion of (1 + x)^(15) , is

Find the sum of the coefficients in the expansion of (7+4x)^(49)

What is the sum of the coefficients in the expansion of (1+x)^(n) ?

What is the sum of the binomial coefficients in the expansion of (1+x)^(50)

What is the sum of all the coefficients in the expansion of (1+x)^(n) ?