[" 5.Find the sum of last "20" coefficients in the "],[" expansion of "(1+x)^(39)" ."]

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

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

The sum of the last eight coefficients in the expansion of (1+x)^(15) 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

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

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.