a. If X>-2, solve the inequality (X+1)/(X+2)>1/2
b. If X<-2, solve the inequality (X+1)/(X+2)>1/2
c. Is X=-1 a solution of the inequality (X+1)/(X+2)>1/2 ?
Pls explain detail.
收錄日期: 2021-04-18 14:38:44
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https://hk.answers.yahoo.com/question/index?qid=20150105000051KK00083