[八卦] 應數
剛剛大家經過一群死的很久的古人折磨下
在寫最後一題的時候
S x (8-x^3)^(1/3) dx
我看成
S x^3 (8-x^3)^(1/2) dx
有沒有跟我一樣看錯的八卦阿 = =
好不爽喔!!!!!!!!
害我Beta function 用不出來啦~~!!!
可恨
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