Forgot password
 Register account
View 847|Reply 1

结果较怪的广义积分

[Copy link]

461

Threads

958

Posts

4

Reputation

Show all posts

青青子衿 posted 2021-5-4 10:56 |Read mode
Last edited by 青青子衿 2021-5-4 12:13\begin{align*}
I = \int_0^\infty \frac{t^2\ln\!\big|\sin\,\!t\big|\,}{(1+t^2)^2}\mathrm{d}t=\frac{\pi}{4}\left[\frac{2}{e^{2}-1}-2+\ln\left(\frac{e^{2}-1}{2}\right)\right]
\end{align*}

414

Threads

1641

Posts

15

Reputation

Show all posts

abababa posted 2021-5-4 16:21
回复 1# 青青子衿
发网友的解答。屏幕不够大,截图不全,我前面问的是“怎么把|sin x|”的绝对值去掉。
求积分.gif

Quick Reply

Advanced Mode
B Color Image Link Quote Code Smilies
You have to log in before you can reply Login | Register account

$\LaTeX$ formula tutorial

Mobile version

2025-7-20 11:11 GMT+8

Powered by Discuz!

Processed in 0.014090 seconds, 26 queries