证明:若函数f(x)>0,在[a,b]可积,令则

证明:若函数f(x)>0,在[a,b]可积,令<img src='https://img2.soutiyun.com/ask/2020-11-13/974108578848118.png' />则 <img src='https://img2.soutiyun.com/ask/2020-11-13/974108619490443.png' />

时间:2023-09-22 10:33:57

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