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itex fractions superscripts and subscripts

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Fractions, Sub/Superscripts and Roots

• \frac{x}{y}

  $$\frac{x}{y}$$\frac{x}{y}

• \tfrac{x}{y}

  $$\frac{x}{y}$$\tfrac{x}{y}

• \binom{m}{n}

  $$\left(\genfrac{}{}{0ex}{}{m}{n}\right)$$\binom{m}{n}

• {x \over y}

  $$\frac{x}{y}$${x \over y}

• {x \atop y}

  $$\genfrac{}{}{0ex}{}{x}{y}$${x \atop y}

• \sum_{\substack{0 \leq i \leq n \\ 0 \leq j \leq m}}A_{ij}

  $$\sum _{\begin{array}{c}0\le i\le n\\ 0\le j\le m\end{array}}{A}_{\mathrm{ij}}$$\sum_{\substack{0 \leq i \leq n \\ 0 \leq j \leq m}}A_{ij}

• \overset{u}{\overbrace{w x y z}}

  $$\stackrel{u}{\overbrace{wxyz}}$$\overset{u}{\overbrace{w x y z}}

• \underset{u}{\underbrace{v w x y z}}

  $$\underset{u}{\underbrace{vwxyz}}$$\underset{u}{\underbrace{v w x y z}}

• \underset{x y z}{\longrightarrow}

  $$\underset{xyz}{⟶}$$\underset{x y z}{\longrightarrow}

• \overset{x y z}{\to}

  $$\stackrel{xyz}{\to }$$\overset{x y z}{\to}

• ( = \stackrel{x y z}{\to}),

  $$\stackrel{xyz}{\to }$$\stackrel{x y z}{\to}

• \underoverset{x y z}{2}{\Rightarrow}

  $$\underset{xyz}{\overset{2}{\Rightarrow }}$$\underoverset{x y z}{2}{\Rightarrow}

• \tensor{X}{_i_j^k^l}

  $$X_i{}_j{}^k{}^l$$\tensor{X}{_i_j^k^l}

• \multiscripts{^2_0_1}{X}{^j_i_k}

  $${}^2{}_0{}_{1}X^j{}_i{}_k$$\multiscripts{^2_0_1}{X}{^j_i_k}

• \sqrt{\frac{a x +b}{c x + d}}

  $$\sqrt{\frac{ax+b}{cx+d}}$$\sqrt{\frac{a x +b}{c x + d}}

• \root{n}{x}

  $$\sqrt[n]{x}$$\root{n}{x}

• \mathop{plim}{X_n}

  $$plim{X}_n$$\mathop{plim}{X_n}