Luacháil (complex solution)
y=x-2y\text{ and }x-2y=\left(x-1\right)^{2}
Réitigh do x.
\left\{\begin{matrix}x=\frac{\sqrt{13}+7}{6}\text{, }&y=\frac{\sqrt{13}+7}{18}\\x=\frac{7-\sqrt{13}}{6}\text{, }&y=\frac{7-\sqrt{13}}{18}\end{matrix}\right.
Réitigh do y.
\left\{\begin{matrix}y=\frac{7-\sqrt{13}}{18}\text{, }&x=\frac{7-\sqrt{13}}{6}\\y=\frac{\sqrt{13}+7}{18}\text{, }&x=\frac{\sqrt{13}+7}{6}\end{matrix}\right.
Graf
Roinn
Cóipeáladh go dtí an ghearrthaisce
Samplaí
Cothromóid chearnach
{ x } ^ { 2 } - 4 x - 5 = 0
Triantánacht
4 \sin \theta \cos \theta = 2 \sin \theta
Cothromóid líneach
y = 3x + 4
Uimhríocht
699 * 533
Maitrís
\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]
Cothromóid chomhuaineach
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Difreáil
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Comhtháthú
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Teorainneacha
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}