User:Healablemarrow4/sandbox

$$\quad x\in[-r,r].$$

$$f(x)=\sqrt{r^2-x^2},\quad x\in[-r,r].$$

$$in$$

Sandbox
[... Title of hidden content(1) ...] [... This content(1) is initially hidden ...]
 * collapsed

[... Title of hide-able content(2) ...] [... This content(2) does not auto-collapse ...]
 * noautocollapse

[... Title of hidden content(3) ...] [... This content(3) may auto-collapse ...] [... and contains a collapsible table ...]
 * default

-- HMarrowIV {Talk} 23:40, December 6, 2012 (UTC)

-- HMarrowIV {Talk} 03:27, June 25, 2012 (UTC)

-- HMarrowIV {Talk} 00:10, March 3, 2013 (UTC)