\left\{ \begin{array} { l } { y > 2 x + 4 } \\ { y \leq 2 x ^ { 2 } + 4 x + 1 } \end{array} \right.
Selesaikan untuk x
\left\{\begin{matrix}x\in [\frac{\sqrt{2y+2}}{2}-1,\frac{y}{2}-2)\text{, }&y>\sqrt{7}+3\\x\leq -\frac{\sqrt{2y+2}}{2}-1\text{, }&y\geq 2\text{ or }(y>3-\sqrt{7}\text{ and }y<\sqrt{7}+3)\\x<\frac{y}{2}-2\text{, }&y\leq -1\text{ or }(y\geq -1\text{ and }y\leq 3-\sqrt{7})\end{matrix}\right.
Selesaikan untuk y
y\in (2(x+2),2x^{2}+4x+1]\text{, }x<\frac{-\sqrt{7}-1}{2}\text{ or }x>\frac{\sqrt{7}-1}{2}
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}