Question

解分式方程谁会【答的好奖悬赏】x-2分之1+3=2-x分之1-xx+1分之2+x-1分之3=x的2平方-1分之6

Answer 1

1/(x-2)+3= (1-x)/(2-x)

(1+3x-6)/(x-2)=(x-1)/(x-2)

3x-5=x-1

得x=2 为增根

2/(x+1)-3/(x-1)=6/(x^2-1)

[2(x-1)-3(x+1)]/(x^2-1)=6/(x^2-1)

-x-5=6

得x=1 为增根