Contact us
Choose a category below so we can get back to you as quickly as possible.
y=(x-1)2 兩邊同時開方,因為x≤1所以x-1≤0 變成1-x=根號Y,得出X=1-根號Y,用Y替換X Y=1-根號X,X>0 y=1/(1-x) 可化成1-x=1/y,移項:x=1-1/y,同樣是y=1-1/x,x
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.