Riješite za x, y (complex solution)
\left\{\begin{matrix}x=\frac{-a^{2}\sqrt{\left(a-b\right)^{4}-4a}-b^{2}\sqrt{\left(a-b\right)^{4}-4a}-2\left(ab\right)^{2}+2ab^{3}+2ba^{3}-a^{4}-b^{4}+2a}{-\sqrt{\left(a-b\right)^{4}-4a}+2ab-a^{2}-b^{2}}\text{, }y=\frac{-\sqrt{\left(a-b\right)^{4}-4a}-\left(a-b\right)^{2}}{2}\text{, }&|arg(-\sqrt{b^{4}})-arg(b^{2})|\geq \pi \text{ or }a\neq 0\\x=\frac{a^{2}\sqrt{\left(a-b\right)^{4}-4a}+b^{2}\sqrt{\left(a-b\right)^{4}-4a}-2\left(ab\right)^{2}+2ab^{3}+2ba^{3}-a^{4}-b^{4}+2a}{\sqrt{\left(a-b\right)^{4}-4a}+2ab-a^{2}-b^{2}}\text{, }y=\frac{\sqrt{\left(a-b\right)^{4}-4a}-\left(a-b\right)^{2}}{2}\text{, }&a\neq 0\end{matrix}\right,
Riješite za x, y
\left\{\begin{matrix}x=\frac{-a^{2}\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}-b^{2}\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}-2\left(ab\right)^{2}+2ab^{3}+2ba^{3}-a^{4}-b^{4}+2a}{-\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}+2ab-a^{2}-b^{2}}\text{, }y=\frac{-\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}-\left(a-b\right)^{2}}{2}\text{, }&\left(b\neq 0\text{ or }a\neq 0\right)\text{ and }a^{4}+6a^{2}b^{2}-4ab^{3}-4a+b^{4}-4ba^{3}\geq 0\\x=\frac{a^{2}\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}+b^{2}\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}-2\left(ab\right)^{2}+2ab^{3}+2ba^{3}-a^{4}-b^{4}+2a}{\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}+2ab-a^{2}-b^{2}}\text{, }y=\frac{\sqrt{a^{4}-4ab^{3}-4a+b^{4}-4ba^{3}+6\left(ab\right)^{2}}-\left(a-b\right)^{2}}{2}\text{, }&a\neq 0\text{ and }a^{4}+6a^{2}b^{2}-4ab^{3}-4a+b^{4}-4ba^{3}\geq 0\end{matrix}\right,
Graf
Dijeliti
Kopirano u clipboard
Primjeri
kvadratna jednacina
{ x } ^ { 2 } - 4 x - 5 = 0
trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Linearna jednačina
y = 3x + 4
Aritmetika
699 * 533
Matrica
\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]
Simultana jednačina
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Diferencijacija
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integracija
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Granice
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}