Contact us
Choose a category below so we can get back to you as quickly as possible.
方程兩邊同乘x(x+1),得 3(x+1)-x+x+a=0 解得x=-(a+3)/3 因為分式方程3/x-1/(x+1)+(x+a)/x(x+1)=0無解 所以x(x+1)=0 x=0或x=-1 所以-(a+3)/3=0或-(a+3)/3=-1 所以a=-3或a=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.