\left\{ \begin{array} { l } { | x ^ { 2 } - 1 | < 1 } \\ { x \neq \pm 1 } \end{array} \right.
Nilaikan (complex solution)
|x^{2}-1|<1,\ x\neq ±1
Selesaikan untuk x
\left\{\begin{matrix}x\in \left(-\sqrt{2},0\right)\text{, }&±1\geq 0\text{ or }±1+\sqrt{2}\leq 0\\x\in \left(0,±1\right)\cup \left(±1,\sqrt{2}\right)\text{, }&±1>0\text{ and }±1-\sqrt{2}<0\\x\in \left(0,\sqrt{2}\right)\text{, }&±1-\sqrt{2}\geq 0\text{ or }±1\leq 0\\x\in \left(-\sqrt{2},±1\right)\cup \left(±1,0\right)\text{, }&±1+\sqrt{2}>0\text{ and }±1<0\end{matrix}\right.
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}