f(x)= |x+1|+|x+2|+|x+3|+...+|x+2011|+|x-1|+|x-2|+|x-3|+...+|
f(x-1)=x^2-2x+3(x
f(x)=(x-1)(x-2).(x-3)求导
f(x)=x(x-1)(x-2)(x-3)(x-4) f'(1)=?
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
F(X)满足F(x)+2f(x分之1)=3X,求f(x)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)?
已知f(x)满足2f(x)+f(-x)=-3x+1,求f(x)
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
F(x)=3x^2+2x-1 求F(x+△x)-f(x)/ △x
已知f(x+1)+2f(-x)=3x²+x,求f(x)
求f(x)=(x-2)^2/(x+1),f(x)=(x^2+9)(x-3/x)的导数.