$$x^2y^2$$ $$\inf{2}F_3$$ $$\frac{x + y^2}{k + 1}$$ $$x + y^{\frac{2}{k + 1}}$$ $$\frac{a}{b/2}$$ $$a_{0} + \frac{1}{a_{1} + \frac{1}{a_{2} + \frac{1}{a_{3} + \frac{1}{a_{4}}}}}$$ $$a_{0} + \frac{1}{a_1 + \frac{1}{a_2 + \frac{1}{a_3 + \frac{1}{a_4}}}}$$ $$\vector{n}{k/2}$$ $$\vector{p}{2}x^2p^{p − 2} − \frac{1}{1 − x} \frac{1}{1 − x^2}$$ $$\stackrev{\stackrev{∑}{ 0 ≤ i ≤ m}}{0 < j < n }P(i , j)$$ $$x^{2y}$$ $$∑_{i = 1}^p ∑_{j = 1}^q ∑_{k = 1}^r a_{ij}b_{jk}c_{ki}$$ $$\sqrt{1 + \sqrt{1 + \sqrt{1 + \sqrt{1 + \sqrt{1 + \sqrt{1 + \sqrt{1 + x}}}}}}}$$ $$\left(\frac{∂^2}{∂x^2} + \frac{∂^2}{∂y^2}\right)|φ(x + iy)|^2 = 0$$ $$2^{2^{2^x}}$$ $$∫_1^t\frac{dt}{t}$$ $$∬_D dxdy$$ $$ f(x) = \cases{ \case{1/3}{if 0 ≤ x ≤ 1} \case{2/3}{3 ≤ x ≤ 4} \case{0}{elsewhere} } $$ $$\overbrace{x + ⋯ + x}^{k times}$$ $$y_{x^2}$$ $$∑_{p prime} f(p) = ∫_{t > 1} f(t)dπ(t)$$ $$\{\underbrace{\overbrace{a, … , a}^{k a's} , \overbrace{b, … , b}^{l b's}}_{k + l elements} \}$$ $$ \matrix{ \row{\matrix{\row{a}{b}\row{c}{d}}}{\matrix{\row{e}{f}\row{g}{h}}} \row{0}{\matrix{\row{i}{j}\row{k}{l}}} } $$ $$ det\det{ \row{c_0}{c_1}{c_2}{⋯}{c_n} \row{c_1}{c_2}{c_3}{⋯}{c_{n + 1}} \row{c_2}{c_3}{c_4}{⋯}{c_{n + 2}} \row{⋮}{⋮}{⋮}{∷}{⋮} \row{c_n}{c_{n + 1}}{c_{n + 2}}{⋯}{c_{2n}} } > 0 $$ $$y_{x_2}$$ $$x^{31415}_{92} + π$$ $$x^{z^d_c}_{y^a_b}$$ $$y^‴_3$$