\left\{ \begin{array} { l } { 5 x + y - 7 \leq 0 } \\ { x - y + 1 \geq 0 } \\ { x + 2 y + 4 \geq 0 } \end{array} \right.
Selesaikan untuk x
\left\{\begin{matrix}x\in \begin{bmatrix}y-1,\frac{7-y}{5}\end{bmatrix}\text{, }&y\geq -1\text{ and }y\leq 2\\x=\frac{7-y}{5}\text{, }&y=-3\\x\in \begin{bmatrix}-2y-4,\frac{7-y}{5}\end{bmatrix}\text{, }&y>-3\text{ and }y<-1\end{matrix}\right.
Selesaikan untuk y
\left\{\begin{matrix}y\in \begin{bmatrix}-\frac{x}{2}-2,x+1\end{bmatrix}\text{, }&x\geq -2\text{ and }x\leq 1\\y\in \begin{bmatrix}-\frac{x}{2}-2,7-5x\end{bmatrix}\text{, }&x>1\text{ and }x\leq 2\end{matrix}\right.
Graf
Kongsi
Disalin ke papan klip
Contoh
Persamaan kuadratik
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometri
4 \sin \theta \cos \theta = 2 \sin \theta
Persamaan linear
y = 3x + 4
Aritmetik
699 * 533
Matriks
\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]
Persamaan serentak
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Pembezaan
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Pengamiran
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Had
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}