The coefficient of `x^(48)` in the product `(x-2)(x-4)....(x-98)` is:

The coefficient of x in the product (2-3x)(5-2x) is

The coefficient of x^(70) in the product (x-1)(x^(2)-2)(x^(3)-3)dots(x^(12)-12) is

Coefficient of x^(n-2) in the product (x+1)(x+2)(x+3).........(x+n) is equal to

Find the coefficient of x^(4) in the product (1+2x)^(4)(2-x)^(5) by using binomial theorem.

The coefficient of x^(98) in the expression of (x-1)(x-2).........(x-100) must be

The coefficient of x^(4) in the expansion of (1-x)^(-2) is

The coefficient of x^(18) in the product (1+x)(1-x)^(10)(1+x+x^(2))^(9) is

The coefficient of x^(18) in the product (1+x)(1-x)^(10)(1+x+x^(2))^(9) is k. The value of (k)/(12) is __________.

The coefficient of x^(15) in the product of (1-x)(1-2x)(1-2^(2)x)(1-2^(3)x)(1-2^(4)x)......(1-2^(15)x)