问答题
求证,设fn≥0,
求证,设fnM(X),若fn≥g∈L1,则若fn≤g∈L1,则
求dx(p>-1)
求证,设fn∈M(X),g∈L1,g≤fn↑f或g≥fn↓f,则∫xfndμ→∫xfdμ(n→∞)
问答题求证,设fn∈M(X),g∈L1,g≤fn↑f或g≥fn↓f,则∫xfndμ→∫xfdμ(n→∞)