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

Find the coefficient of x^5 in (x+3)^8 .

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

The sum of coefficient in the expansion of (1+3x-3x^(2))^(1143) is equal to a)-1 b)0 c)1 d) 2^(1143)

In the expansion of (1+x)^(50) find the sum of coefficients of odd powers of x.

Find the sum of the coefficients of all the integral powers of x in the expansion of (1+2sqrt(x))^(40) .

If the sum of coefficients in the expansion of (x-2y+3z)^(n) is 128, then find the greatest coefficientin the expansion of (1+x)^(n)

Find the coefficient of x^(2) in ((a)/(a+x))^(1//2)+ ((a)/(a-x))^(1//2)

The sum of the coefficients in the expansion of (x^(2)-(1)/(3))^(199) xx (x^(3) + (1)/(2))^(200) is A) (1)/(3) B) -(1)/(3) C) (2)/(3) D) (3)/(2)