改变积分次序∫01dxf(x,y)dy=________.

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问题 改变积分次序∫01dxf(x,y)dy=________.

选项

答案01dy∫0yf(x,y)dx+[*]f(x,y)dx.

解析01dxf(x,y)dy=∫01dy∫0yf(x,y)dx+f(x,y)dx.
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