Whakaoti mō f
f=2\left(x-1\right)^{2}+1
Whakaoti mō x (complex solution)
x=-\frac{\sqrt{2f-2}}{2}+1
x=\frac{\sqrt{2f-2}}{2}+1
Whakaoti mō x
x=-\frac{\sqrt{2f-2}}{2}+1
x=\frac{\sqrt{2f-2}}{2}+1\text{, }f\geq 1
Graph
Tohaina
Kua tāruatia ki te papatopenga
f=2\left(x^{2}-2x+1\right)+1
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-1\right)^{2}.
f=2x^{2}-4x+2+1
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x^{2}-2x+1.
f=2x^{2}-4x+3
Tāpirihia te 2 ki te 1, ka 3.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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