Y by
LaTeX renders things differently and for this example, it all depends on a space.
When you type
LaTeX renders
,
but when you type
LaTeX renders
For some reason, in the bottom example, it becomes stretched vertically. Why? Is there anything that AoPS can do to fix this?
When you type
$k = - 3.$
,LaTeX renders

but when you type
$k = -3.$
,LaTeX renders

For some reason, in the bottom example, it becomes stretched vertically. Why? Is there anything that AoPS can do to fix this?