[微積] 分部積分 傻傻分不清楚
∫2y exp( y2 ) dy
這題分部積分
我積出來是
ye^(y^2) -1/2e^(y^2)
∫2y exp( y2 ) dy
∫exp( y2 ) d( y2 ) =exp( y2 )
為啥不一樣呢 感謝各位高手
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