f d x = x
Solve for d (complex solution)
\left\{\begin{matrix}d=\frac{1}{f}\text{, }&f\neq 0\\d\in \mathrm{C}\text{, }&x=0\end{matrix}\right.
Solve for f (complex solution)
\left\{\begin{matrix}f=\frac{1}{d}\text{, }&d\neq 0\\f\in \mathrm{C}\text{, }&x=0\end{matrix}\right.
Solve for d
\left\{\begin{matrix}d=\frac{1}{f}\text{, }&f\neq 0\\d\in \mathrm{R}\text{, }&x=0\end{matrix}\right.
Solve for f
\left\{\begin{matrix}f=\frac{1}{d}\text{, }&d\neq 0\\f\in \mathrm{R}\text{, }&x=0\end{matrix}\right.
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fxd=x
The equation is in standard form.
\frac{fxd}{fx}=\frac{x}{fx}
Divide both sides by fx.
d=\frac{x}{fx}
Dividing by fx undoes the multiplication by fx.
d=\frac{1}{f}
Divide x by fx.
dxf=x
The equation is in standard form.
\frac{dxf}{dx}=\frac{x}{dx}
Divide both sides by dx.
f=\frac{x}{dx}
Dividing by dx undoes the multiplication by dx.
f=\frac{1}{d}
Divide x by dx.
fxd=x
The equation is in standard form.
\frac{fxd}{fx}=\frac{x}{fx}
Divide both sides by fx.
d=\frac{x}{fx}
Dividing by fx undoes the multiplication by fx.
d=\frac{1}{f}
Divide x by fx.
dxf=x
The equation is in standard form.
\frac{dxf}{dx}=\frac{x}{dx}
Divide both sides by dx.
f=\frac{x}{dx}
Dividing by dx undoes the multiplication by dx.
f=\frac{1}{d}
Divide x by dx.
Examples
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{ 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}