若1/x+x=3,则1/x^2+x^2=_______
若1/x+x=3,则1/x^2+x^2=_______
f(x)满足f(x)+2f(1/x)=3x,则f(x)=_______
若2x^2-3x+1=0,则多项式4x^2-6x-5=_______
f(X)=x(x-1)(x-2)……(x-100),则f’(0)=_______.
1.已知f(2x+1)=3x-4,则当f(x)=4时x=_______
用换元法解方程:[8(x^2+2x)/x^2-1]+[3(x^2-1)/x^2+2x]=11,可设y=_______,则
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
若x+x^2+x^3=-1 则x^2012+x^2011+x^2010+x^2009+…………+x^3+x^2+x+1=
化简(x-1)(x+1)(x^2+1)(x^4+1)(x^8+1)(x^16+1)=_______
若x>1,则(x^2+2x+4/(x-1)的最小值是_______
若2x-3y+4=0则x(x*x-1)+x(5-x*x)-6y+7
x²+2x+1-64y²=_______