User:Physikerwelt/cases

$$ \begin{cases} A \\[0.2cm] B \end{cases} $$

$$ \begin{align} ax+b &= b\\[2cm] dx+c^2 &= d \end{align} $$

$$ \begin{aligned} ax+b &= b\\ dx+c^2 &= d \end{aligned} $$

$$ x=a+b+c +d+\sum_{n=0}^\infty a_n $$

$$ x=a+b+c\\ +d+\sum_{n=0}^\infty a_n $$

$$ \frac12\\ \frac21 $$