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

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

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

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^(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^24 in the expansion of (1+x^2)^(12) (1+x^12)(1+x^24) is

The coefficient of x^24 in the expansion of (1+x^2)^(12) (1+x^12)(1+x^24) is

The coefficient of x^(4) in the expansion of (x^(2)+(1)/(x^(3)))^(12) is , ((12)/(4)) ([12],[6]) ([12],[7]) ([12],[9])

Coefficient of x^11 in the expansion of (1+x^2)^4(1+x^3)^7(1+x^4)^12 is

Find the coefficient of x-2 in the expansion of (x-(1)/(x))^(12)