Whakaoti mō k
k=1+4x-x^{2}
Whakaoti mō x (complex solution)
x=\sqrt{5-k}+2
x=-\sqrt{5-k}+2
Whakaoti mō x
x=\sqrt{5-k}+2
x=-\sqrt{5-k}+2\text{, }k\leq 5
Graph
Tohaina
Kua tāruatia ki te papatopenga
-4x+k-1=-x^{2}
Tangohia te x^{2} mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
k-1=-x^{2}+4x
Me tāpiri te 4x ki ngā taha e rua.
k=-x^{2}+4x+1
Me tāpiri te 1 ki ngā taha e rua.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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