(1) x^n+1-6x^n+9x^n-1怎么算?(2) x^4-13x^2y^2+36y^4 (3) (a^2-6a)^2+14(a^2-6a)+45用因式分解.T_T
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因式分解4x^(n+2)-9x^n+6x^(n-1)-x^(n-2)
因式分解4x^n+2-9x^n+6x^n-1-x^n-2
f(x)=e^x-x 求证(1/n)^n+(2/n)^n+...+(n/n)^n
4x^n+2-9x^n+6x^n-1-x^n-24x^(n+2)-9x^n+6x^(n-1)-x^(n-2),n是整数且大于2
x^(n)*x^(n+1)+x^(2n)*x
9x^(n+1)-36^n+36x(n-1)
9x^(n+1)-36^n+36x(n-1)
若(x^2+1/x)^n(n∈N+,n
10x^20-6x^n+(x^n+1-9x^2n)-(4x^n+x^n+1)等于多少
分解因式:-9x^(n+1)-6x^n+3x^(n-1)
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^n-2x^n+1,因式分解
x^n*x^n+1*(-x)^2n*x+(-x)^2n+3x^2n-2*x
约分(x^n+2)+(x^n+1)-6x^n/(2x^n+1)+5x^n-(3x^n-1)
(8x^n+1-3x^n-1)-2(-x+9x^n+1-4x^n)=