Contact us
Choose a category below so we can get back to you as quickly as possible.
這樣的x不存在 即就是要e^x=ln x 而e^x和ln x互為逆函數關於y=x對稱且影像沒有交點..
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.