Solve for a
\left\{\begin{matrix}\\a=0\text{, }&\text{unconditionally}\\a=\frac{16}{z^{4}}\text{, }&z\neq 0\end{matrix}\right.
Solve for z
\left\{\begin{matrix}z=\frac{2}{\sqrt[4]{a}}\text{; }z=-\frac{2}{\sqrt[4]{a}}\text{, }&a>0\\z\in \mathrm{R}\text{, }&a=0\end{matrix}\right.
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Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\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]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}