(x^2n-2)(x^8n+16)(x^2n+2)(x^4n+4)

(x^2n-2)(x^8n+16)(x^2n+2)(x^4n+4) x^(n)*x^(n+1)+x^(2n)*x (x^4n+16)(x^n-2)(x^2n+4)(x^n+2)= (x^4n - 16) * (x^n - 2) * (x^2n + 4) * (x^n + 2) f(x)=e^x-x 求证(1/n)^n+(2/n)^n+...+(n/n)^n 若(x^2+1/x)^n(n∈N+,n 因式分解：(x^n+1)+(2x^n)+(x^n-1) x^n+1-2x^n+x^n-1因式分解 x^n-1-2x^n+x^n-1因式分解 分解因式x^n-x^(n-1)+x^(n-2) (x^4n/x^2n)*x^n X,2X,4X,8X,16X,32X,.第N个单项式为什么 x^n-2x^n+1,因式分解 x^2n-3x^n x^n*x^n+1*(-x)^2n*x+(-x)^2n+3x^2n-2*x (8x^n+1-3x^n-1)-2(-x+9x^n+1-4x^n)= (-x)^3x^n-1+x^2n(-x)^3 因式分解：4/9x^n+2-8/27x^n