Contact us
Choose a category below so we can get back to you as quickly as possible.
fx=loga(x+1)-loga(1-x), x+1>0且1-x>0 ==>-1loga(1-x) 當a>1時,則x+1>1-x==>x>0 與定義域取交集得, x取值範圍是(0,1) 當0
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.