definite integral

👨🏻‍🏫 學術台數學

[匿名]

2012-02-03 3:07 am

試求：∫[0，∞] sinx/(√x * e^x) dx

回答 (2)

用戶9112

2012-02-03 10:42 pm

✔ 最佳答案

http://i1090.photobucket.com/albums/i376/Nelson_Yu/int-957.jpg

圖片參考：http://i1090.photobucket.com/albums/i376/Nelson_Yu/int-957.jpg

👍 0 👎 0

p

2012-02-03 3:11 pm

sqrt(pi) sin(pi/8)/(2)^(1/4)= 0.570371...

參考: wolfram http://www.wolframalpha.com/input/?i=integrate+sin%28x%29%2F%28sqrt%28x%29++e^x%29+from+0+to+infinity

👍 0 👎 0

收錄日期: 2021-04-13 18:30:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120202000051KK00701

檢視 Wayback Machine 備份