作者查詢 / S1010630
作者 S1010630 在 PTT [ Math ] 看板的留言(推文), 共9則
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5F→: https://i.imgur.com/nL1sigY.jpg11/17 17:20
6F→: 我沒背公式 算到這邊就算不下了 求指點QQ11/17 17:21
11F→: 對分母只有x^3-x 分離完=3/x-1/(x-1)-1/(x+1)11/17 21:44
12F→: 但是我還是變不出那個答案...11/17 21:45
14F→: 了解啦!11/17 23:25
15F→: 感謝兩位大大11/17 23:28
3F推: xcosx=Re[xexp(ix)],用逆運算子找實部10/24 02:22
1F推: 感謝大大指導QQ08/05 01:27
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