Contact us
Choose a category below so we can get back to you as quickly as possible.
用y來表示x y+1/4=1/4+x^2+x y+1/4=(x+1/2)^2 Sqrt[y+1/4]=x+1/2 x=Sqrt[y+1/4]-1/2 把最後一步的x換成y,y換成x即為所求.定義域採用原函數中y的取值範圍【-1/4,正無窮】
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.