Find the sum of the coefficients in the expansion of `(5x^6-4/(x^9))^(10)`

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

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

If the sum of the coefficients in the expansion of (1 -3x + 10x^2)^(n) is a and the sum of the coefficients in the expansion of (1 - x^(2))^(n) is b , then

Suppose the sum of the coefficients in the expansion of (1 - 5x + 12x^(3))^(n) is a and the sum of the coefficients in the expansion of (1 - 2x + 3x^(2))^n is b. If a = b^(m) , then m = ___

Find the sum of the coefficients of the term expansion (1+x+2x^(2))^(6)

Find the coefficient of x in the expansion of (2x-(3)/(x))^(9)

Find the coefficient of x^5 in the expansion of (x+3)^9

Find the coefficient of x^5 in the expansion of (x+3)^9