Whakaoti mō x
x\in \left(-\infty,-\sqrt{2}\right)\cup \left(\sqrt{2},\infty\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
x^{2}-2>0
Whakareatia te 2 ki te 1, ka 2.
x^{2}>2
Me tāpiri te 2 ki ngā taha e rua.
x^{2}>\left(\sqrt{2}\right)^{2}
Tātaitia te pūtakerua o 2 kia tae ki \sqrt{2}. Tuhia anō te 2 hei \left(\sqrt{2}\right)^{2}.
|x|>\sqrt{2}
E mau ana te koreōrite mō |x|>\sqrt{2}.
x<-\sqrt{2}\text{; }x>\sqrt{2}
Tuhia anō te |x|>\sqrt{2} hei x<-\sqrt{2}\text{; }x>\sqrt{2}.
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