[微積] 瑕積分
∞ 2
∫ x/1+x dx
-∞
a 2 2
=lim ∫ 1/1+x d 1+x
a->∞ 0
2
= lim ln(1+a )
a->∞
= ∞??
不知道哪邊出了問題
請求大神指教!!
感謝~
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.33.105.103
※ 文章網址: http://www.ptt.cc/bbs/Math/M.1411226367.A.F7C.html
→
09/20 23:49, , 1F
09/20 23:49, 1F
→
09/20 23:55, , 2F
09/20 23:55, 2F
推
09/20 23:55, , 3F
09/20 23:55, 3F
→
09/21 01:49, , 4F
09/21 01:49, 4F
→
09/21 01:50, , 5F
09/21 01:50, 5F
→
09/21 01:51, , 6F
09/21 01:51, 6F
→
09/21 01:51, , 7F
09/21 01:51, 7F
→
09/21 10:24, , 8F
09/21 10:24, 8F
討論串 (同標題文章)