Find the sum of last 20 coefficients in the expansions of `(1+x)^(39).`

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

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

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

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

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)) =____

The sum of the coefficients in the expansion of (1-x)^(10) is

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

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