Whakaoti mō x
x\in (-\infty,-1)\cup [1,\infty)
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Tohaina
Kua tāruatia ki te papatopenga
1-x\geq 0 x+1<0
Kia ≤0 rawa te otinga, hei ≥0 tonu tētahi o ngā uara o 1-x me x+1, hei ≤0 anō tērā atu, otiia tē taea ai hei kore te x+1. Whakaarohia te tauira ina tōraro tahi a 1-x\geq 0 me x+1.
x<-1
Te otinga e whakaea i ngā koreōrite e rua ko x<-1.
1-x\leq 0 x+1>0
Whakaarohia te tauira ina tōrunga tahi a 1-x\leq 0 me x+1.
x\geq 1
Te otinga e whakaea i ngā koreōrite e rua ko x\geq 1.
x<-1\text{; }x\geq 1
Ko te otinga whakamutunga ko te whakakotahi i ngā otinga kua whiwhi.
Ngā Tauira
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