Selesaikan untuk x
\left\{\begin{matrix}x=\frac{\sqrt{9y^{2}-27y+1}-1}{y-3}\text{; }x=-\frac{\sqrt{9y^{2}-27y+1}+1}{y-3}\text{, }&y\leq -\frac{\sqrt{77}}{6}+\frac{3}{2}\text{ or }\left(y\neq 3\text{ and }y\geq \frac{\sqrt{77}}{6}+\frac{3}{2}\right)\\x=\frac{27}{2}=13.5\text{, }&y=3\end{matrix}\right.
Selesaikan untuk y
y=-\frac{x\left(2-3x\right)}{x^{2}-9}
|x|\neq 3
Graf
Kongsi
Disalin ke papan klip
Contoh
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}