Linear equation

For all $a \in \mathbb{R}^*$, $b \in \mathbb{R}$, $x \in \mathbb{R}$, $$ax + b = 0 \iff x = -\frac{b}{a}$$

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For all $a \in \mathbb{R}^*$, $b \in \mathbb{R}$, $x \in \mathbb{R}$, $$ax + b = 0 \iff x = -\frac{b}{a}$$

List of LaTeX symbols

Greek

\alpha $\alpha$

\beta $\beta$

\gamma $\gamma$

\delta $\delta$

\epsilon $\epsilon$

\varepsilon $\varepsilon$

\zeta $\zeta$

\eta $\eta$

\theta $\theta$

\vartheta $\vartheta$

\iota $\iota$

\kappa $\kappa$

\lambda $\lambda$

\mu $\mu$

\nu $\nu$

\xi $\xi$

o $o$

\pi $\pi$

\varpi $\varpi$

\rho $\rho$

\varrho $\varrho$

\sigma $\sigma$

\varsigma $\varsigma$

\tau $\tau$

\upsilon $\upsilon$

\phi $\phi$

\varphi $\varphi$

\chi $\chi$

\psi $\psi$

\omega $\omega$

\Gamma $\Gamma$

\Delta $\Delta$

\Theta $\Theta$

\Lambda $\Lambda$

\Xi $\Xi$

\Pi $\Pi$

\Sigma $\Sigma$

\Upsilon $\Upsilon$

\Phi $\Phi$

\Psi $\Psi$

\Omega $\Omega$

Delimiters

( $($

) $)$

listOf( $listOf($

) $)$

\{ $\{$

\} $\}$

\langle $\langle$

\rangle $\rangle$

\vert $\vert$

\Vert $\Vert$

\lfloor $\lfloor$

\rfloor $\rfloor$

\lceil $\lceil$

\rceil $\rceil$

\backslash $\backslash$

/ $/$

Big delimiters

\lgroup $\lgroup$

\rgroup $\rgroup$

\lmoustache $\lmoustache$

\rmoustache $\rmoustache$

\arrowvert $\arrowvert$

\Arrowvert $\Arrowvert$

\bracevert $\bracevert$

Binary relations

\lt $\lt$

\gt $\gt$

\le $\le$

\ge $\ge$

\ll $\ll$

\gg $\gg$

\prec $\prec$

\succ $\succ$

\preceq $\preceq$

\succeq $\succeq$

= $=$

\equiv $\equiv$

\sim $\sim$

\simeq $\simeq$

\approx $\approx$

\cong $\cong$

\subset $\subset$

\subseteq $\subseteq$

\supset $\supset$

\supseteq $\supseteq$

\sqsubset $\sqsubset$

\sqsupset $\sqsupset$

\sqsubseteq $\sqsubseteq$

\sqsupseteq $\sqsupseteq$

\in $\in$

\owns $\owns$

\propto $\propto$

\Join $\Join$

\bowtie $\bowtie$

\vdash $\vdash$

\dashv $\dashv$

\models $\models$

\mid $\mid$

\parallel $\parallel$

\perp $\perp$

\smile $\smile$

\frown $\frown$

\asymp $\asymp$

: $:$

\notin $\notin$

\ne $\ne$

Binary operators

+ $+$

- $-$

\pm $\pm$

\mp $\mp$

\triangleleft $\triangleleft$

\triangleright $\triangleright$

\cdot $\cdot$

\div $\div$

\times $\times$

\setminus $\setminus$

\star $\star$

\cup $\cup$

\cap $\cap$

\ast $\ast$

\sqcup $\sqcup$

\sqcap $\sqcap$

\circ $\circ$

\vee $\vee$

\wedge $\wedge$

\bullet $\bullet$

\oplus $\oplus$

\ominus $\ominus$

\diamond $\diamond$

\odot $\odot$

\oslash $\oslash$

\otimes $\otimes$

\uplus $\uplus$

\bigcirc $\bigcirc$

\amalg $\amalg$

\bigtriangleup $\bigtriangleup$

\bigtriangledown $\bigtriangledown$

\dagger $\dagger$

\lhd $\lhd$

\rhd $\rhd$

\ddagger $\ddagger$

\unlhd $\unlhd$

\unrhd $\unrhd$

\wr $\wr$

n-ary operators

\sum $\sum$

\prod $\prod$

\coprod $\coprod$

\bigcup $\bigcup$

\bigcap $\bigcap$

\bigsqcup $\bigsqcup$

\biguplus $\biguplus$

\bigvee $\bigvee$

\bigwedge $\bigwedge$

\int $\int$

\iint $\iint$

\iiint $\iiint$

\oint $\oint$

\bigodot $\bigodot$

\bigoplus $\bigoplus$

\bigotimes $\bigotimes$

Arrows

\gets $\gets$

\longleftarrow $\longleftarrow$

\to $\to$

\longrightarrow $\longrightarrow$

\leftrightarrow $\leftrightarrow$

\longleftrightarrow $\longleftrightarrow$

\Leftarrow $\Leftarrow$

\Longleftarrow $\Longleftarrow$

\Rightarrow $\Rightarrow$

\Longrightarrow $\Longrightarrow$

\Leftrightarrow $\Leftrightarrow$

\Longleftrightarrow $\Longleftrightarrow$

\mapsto $\mapsto$

\longmapsto $\longmapsto$

\hookleftarrow $\hookleftarrow$

\hookrightarrow $\hookrightarrow$

\leftharpoonup $\leftharpoonup$

\rightharpoonup $\rightharpoonup$

\leftharpoondown $\leftharpoondown$

\rightharpoondown $\rightharpoondown$

\rightleftharpoons $\rightleftharpoons$

\iff $\iff$

\uparrow $\uparrow$

\downarrow $\downarrow$

\updownarrow $\updownarrow$

\Uparrow $\Uparrow$

\Downarrow $\Downarrow$

\Updownarrow $\Updownarrow$

\nearrow $\nearrow$

\searrow $\searrow$

\swarrow $\swarrow$

\nwarrow $\nwarrow$

\leadsto $\leadsto$

Arrows on symbols

\hat{a} $\hat{a}$

\check{a} $\check{a}$

\tilde{a} $\tilde{a}$

\grave{a} $\grave{a}$

\dot{a} $\dot{a}$

\ddot{a} $\ddot{a}$

\bar{a} $\bar{a}$

\vec{a} $\vec{a}$

\acute{a} $\acute{a}$

\breve{a} $\breve{a}$

\mathring{a} $\mathring{a}$

\widehat{ABC} $\widehat{ABC}$

\widetilde{ABC} $\widetilde{ABC}$

\overrightarrow{AB} $\overrightarrow{AB}$

\overleftarrow{AB} $\overleftarrow{AB}$

\overleftrightarrow{AB} $\overleftrightarrow{AB}$

\underrightarrow{AB} $\underrightarrow{AB}$

\underleftarrow{AB} $\underleftarrow{AB}$

\underleftrightarrow{AB} $\underleftrightarrow{AB}$

Others

\dots $\dots$

\cdots $\cdots$

\vdots $\vdots$

\ddots $\ddots$

\hbar $\hbar$

\imath $\imath$

\jmath $\jmath$

\ell $\ell$

\Re $\Re$

\Im $\Im$

\aleph $\aleph$

\wp $\wp$

\forall $\forall$

\exists $\exists$

\mho $\mho$

\partial $\partial$

\prime $\prime$

\emptyset $\emptyset$

\infty $\infty$

\nabla $\nabla$

\triangle $\triangle$

\Box $\Box$

\Diamond $\Diamond$

\bot $\bot$

\top $\top$

\angle $\angle$

\surd $\surd$

\diamondsuit $\diamondsuit$

\heartsuit $\heartsuit$

\clubsuit $\clubsuit$

\spadesuit $\spadesuit$

\lnot $\lnot$

\flat $\flat$

\natural $\natural$

\sharp $\sharp$

Fonts

\mathbb{RQSZ} $\mathbb{RQSZ}$

\mathcal{RQSZ} $\mathcal{RQSZ}$

\mathfrak{RQSZ} $\mathfrak{RQSZ}$

\mathrm{3x^2 \in R} $\mathrm{3x^2 \in R}$

\mathit{3x^2 \in R} $\mathit{3x^2 \in R}$

\mathbf{3x^2 \in R} $\mathbf{3x^2 \in R}$

\mathsf{3x^2 \in R} $\mathsf{3x^2 \in R}$

\mathtt{3x^2 \in R} $\mathtt{3x^2 \in R}$

Formatting

\frac{a}{b} $\frac{a}{b}$

a^{b} $a^{b}$

a_{b} $a_{b}$

\binom{a}{b} $\binom{a}{b}$

Matrices

\begin{matrix}
1 & 2 & 3\\
a & b & c
\end{matrix}

$\begin{matrix}
1 & 2 & 3\\
a & b & c
\end{matrix}$

\begin{pmatrix}
1 & 2 & 3\\
a & b & c
\end{pmatrix}

$\begin{pmatrix}
1 & 2 & 3\\
a & b & c
\end{pmatrix}$

\begin{bmatrix}
1 & 2 & 3\\
a & b & c
\end{bmatrix}

$\begin{bmatrix}
1 & 2 & 3\\
a & b & c
\end{bmatrix}$

\begin{Bmatrix}
1 & 2 & 3\\
a & b & c
\end{Bmatrix}

$\begin{Bmatrix}
1 & 2 & 3\\
a & b & c
\end{Bmatrix}$

\begin{vmatrix}
1 & 2 & 3\\
a & b & c
\end{vmatrix}

$\begin{vmatrix}
1 & 2 & 3\\
a & b & c
\end{vmatrix}$

\begin{Vmatrix}
1 & 2 & 3\\
a & b & c
\end{Vmatrix}

$\begin{Vmatrix}
1 & 2 & 3\\
a & b & c
\end{Vmatrix}$

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