[積分] 關於ln裡面的東西
就是
這是積完後要算的式子
| x^√2-1 |∞
ln|-----------|
| 1+x^√2-1 |1
代1的話 後面應該是-1/2
但是代無限進去 我就不知道代表什麼東西了@@
感覺是ln的分子分母都無限大..
觀念不好 想請教一下 謝謝@@!
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噓
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