[考古] 93台大
3 ln(x+1)
S 一一一一dx
1 x^2
我是用x+1=u x=u-1
變換之後
4 ln(u)
S 一一一一du 可是算到後來還是算不出來...
2 (x-1)^2
是我一開始就錯了嗎...請高手指教
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 59.112.171.90
→
06/26 20:23, , 1F
06/26 20:23, 1F
→
06/26 20:41, , 2F
06/26 20:41, 2F
→
06/26 20:42, , 3F
06/26 20:42, 3F
→
06/26 20:43, , 4F
06/26 20:43, 4F
→
06/26 20:44, , 5F
06/26 20:44, 5F
→
06/26 21:03, , 6F
06/26 21:03, 6F
→
06/26 21:04, , 7F
06/26 21:04, 7F
→
06/26 21:05, , 8F
06/26 21:05, 8F
討論串 (同標題文章)