k uchun yechish
k=1+4x-x^{2}
x uchun yechish (complex solution)
x=\sqrt{5-k}+2
x=-\sqrt{5-k}+2
x uchun yechish
x=\sqrt{5-k}+2
x=-\sqrt{5-k}+2\text{, }k\leq 5
Grafik
Baham ko'rish
Klipbordga nusxa olish
-4x+k-1=-x^{2}
Ikkala tarafdan x^{2} ni ayirish. Har qanday sonni noldan ayirsangiz, o‘zining manfiyi chiqadi.
k-1=-x^{2}+4x
4x ni ikki tarafga qo’shing.
k=-x^{2}+4x+1
1 ni ikki tarafga qo’shing.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
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Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simli tenglama
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Oʻngga
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Chegaralar
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