快来帮我解两道方程哈..1.[1/（x-2）]+3=1-x/(2-x)2.x-1/(x-2)=1/(x-2)我先谢过了哈.._数学解答

快来帮我解两道方程哈..
1.[1/（x-2）]+3=1-x/(2-x)
2.x-1/(x-2)=1/(x-2)
我先谢过了哈..

人气：354 ℃　时间：2020-06-14 11:47:04

解答

1.[1/（x-2）]+3=1-x/(2-x) 解:[1/(x-2)]+3=1+x/(x-2) (x-1)/(x-2)=2 x-1=2(x-2) x-1=2x-4x=32..x-1/(x-2)=1/(x-2)解: x=2/(x-2) x(x-2)=2 X2-2x-2=0 x等于1±根号3