\left. \begin{array} { l } { 2 d y \cdot 4 x = - 20 } \\ { 6 x = 4 y + 10 } \end{array} \right.
Datrys ar gyfer x, y (complex solution)
x=-\frac{\sqrt{25d^{2}-60d}}{6d}+\frac{5}{6}\text{, }y=-\frac{\sqrt{25d^{2}-60d}}{4d}-\frac{5}{4}
x=\frac{\sqrt{25d^{2}-60d}}{6d}+\frac{5}{6}\text{, }y=\frac{\sqrt{25d^{2}-60d}}{4d}-\frac{5}{4}\text{, }d\neq 0
Graff
Rhannu
Copïo i clipfwrdd
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
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Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}