[" The coefficient of "x^(1007)" in the ...

[" The coefficient of "x^(1007)" in the expansion "],[(1+x)^(2006)+x(1+x)^(2005)+x^(2)(1+x)^(2004)+x^(3)(1+x)^(2003)],[+...+x^(2006)" is "],[[" (a) "2006C_(1007)," (b) "2006C_(1006)],[" (c) "2007C_(1006)," (d) "2007C_(1007)]]

Similar Questions

Explore conceptually related problems

The coefficient of x^(1007) in the expansion (1+x)^(2006)+x(1+x)^(2005)+x^(2)(1+x)^(2004)x^(3)(1+x)^(2003)+....+x^(2000)

The coefficient of x^(-10) in the expansion of (x^2-1/x^3)^10 is

The coefficient of x^(6) in the expansion of (1+x+x^(2))^(-3) is

The coefficient of x^3 in the expansion of (1-x+x^2)^5 is

The coefficient of x^(5) in the expansion of (1+x^(2))(1+x)^(4) is

The coefficient of x^(3) in the expansion of (1-x+x^(2))^(5) is