`3x-[1+x+{1-(1-bar(1-x))}]=17`

x(1 - x)^(17)

The coefficient of x^(-17) in (x^4 - (1)/(x^3))^15 is

The coefficient of x^(-17) in (x^4 - (1)/(x^3))^15 is

If a=cos((pi)/(n))+i sin((pi)/(n)), then (x-1)(x+1)(x-a)(x-bar(a))......(x-a^(n-1)(x-a^(bar(n-1))) equals

If (1+x)(1+2x)(1+3x)((1+x)(1+2x)(1+3x))/((1-x)(1-2x)(1-3x))=K+(A)/(1-x)+(B)/(1-2x)+(C)/(1-3x) Then which of the following is correct?

Coefficient of x^(n) in ((1+x)(1+2x)(1+3x))/((1-x)(1-2x)(1-3x)) is

If bar(x)=(1,-1,0),bar(y)=(0,1,3) and bar(z)=(2,1,1) then bar(x)xx (bar(y)xx bar(z)) = ………….

The coefficient of x in the expansion of (1-3x+7x^(2))(1-x)^(16) is a)17 b)19 c) -17 d) -19