Réitigh do x.
\left\{\begin{matrix}x\geq \frac{240}{x_{0}+19}\text{, }&x_{0}>-19\\x=\frac{240}{x_{0}+19}\text{, }&x_{0}\neq -19\\x\leq \frac{240}{x_{0}+19}\text{, }&x_{0}<-19\end{matrix}\right.
Réitigh do x_0.
\left\{\begin{matrix}x_{0}\geq -19+\frac{240}{x}\text{, }&x>0\\x_{0}=-19+\frac{240}{x}\text{, }&x\neq 0\\x_{0}\leq -19+\frac{240}{x}\text{, }&x<0\end{matrix}\right.
Graf
Tráth na gCeist
Algebra
5 fadhbanna cosúil le:
0.25 \cdot \frac { 1 } { 2 } x + 1.3 x + \frac { 1 } { 2 } x 0.15 x \geq 18
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}