[積分] 一題不定積分
不好意思 因為進度還沒到這邊 自己買書來念 想了很久
還是不知道為什麼...Q__Q
∫x˙e^x^2 = ∫(1/2)e^x^2˙d(2x) = ∫(1/2)e^x^2˙d(x^2)=(1/2)e^x^2+c
有大大能夠解釋一下這個做法嗎??
謝謝> <"
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