问答题

计算题

证明:若函数f0(x)在[0,a]连续,n∈N+,有fn(x)=fn-1(t)dt,0≤x≤a,则函数列{fn(x)}在[0,a]一致收敛于0。(提示:M>0,x∈[0,a],有|f0(x)|≤M,|f1(x)|≤|f0(t)|dt≤Mx,又有|f2(x)|≤M,…。)

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