设f(x)=f1(x)=(1+x)/(x-1) ,f n+1 (x)=f[fn(x)],则f2011(x)=
设 f(x)=sinx,f1(x)=f'(X),f2(X)=f1'(X).fn+1(X)=fn'(X) n属于N+ 求f
若一系列函数{fn(x)}满足f1(x)=cosx,fn+1=f'n(x),
已知函数f(x)=x/1+|x|,设f1(x)=f(x),fn+1(x)=f[fn(x)]
设f1(x)=2/(1+x),定义f(n+1)(x)=f1[fn(x)],an=[fn(0)-1]/[fn(0)+2]
设f(x)=1+x1−x,又记f1(x)=f(x),fk+1(x)=f(fk(x)),k=1,2,…则f2011(x)=
已知f1(x)=(2x-1)/(x+1),对于n=1,2,…,定义fn+1(x)=f1(fn(x)),若f35(x)=f
f(x)=f1(x)=(x-1)/(x+1),f(n+1)←下标=f[fn(x)],这个函数周期4,求f2,f3,f4推
对于函数f(x)=(x-1)/(x+1),设f1(x)=f(x),f2(x)=f[f1(x)],f3(x)=f[f2(x
设f(x)=–2x+2,记f1(x)=f(x),fn(x)=f[fn-1(x)],n≥2,n∈N,则函数y=fn(x)的
函数数列{fn(x)}满足f1(1)/根号下(1+x^2) f(n+1)(x)=f1[fn(x)]求f2,f3
已知函数f(x)=(x-根号3)/(根号3x+1),设f1(x)=f(x),fn+1(x)=f(fn(x)),若集合m=
f(x)=f1(x)=(x-1)/(x+1),fn+1=f[fn(x)],这个函数周期4,求f2,f3,f4推导过程,