Find the sum of the coefficients in `(x + y)^(8)`

The sum of the coefficient in (x + y)^(10)

find the sum of coefficient in (x+y)^(8) .

Find the sum of coefficients in (1+x-3x^2)^(4163)dot

Find the sum of coefficients in (1+x-3x^2)^(4163) .

Find the sum of coefficients in (1+x-3x^2)^(4163)dot

Find the sum of coefficients in (1+x-3x^2)^(4163)dot

Find the sum of coefficients in (1+x-3x^(2))^(4163)

Find the sum of coefficients in (1+x-3x^(2))^(4163)

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

Find the sum of the coefficients of the first, second,and third terms of the expansion of (x^(2)+(1)/(x))^(m) is 46, then find the coefficient of the term that does not contain x.