User:ThinkOutsideTheTesseract/Sandbox

Image:sandbox.jpg

& = \pi\bigg(\Big(16 \cdot 2 - \tfrac{8}{3} \cdot 2^3 + \tfrac{1}{5} \cdot 2^5\Big)-\Big(16 \cdot -2 - \tfrac{8}{3} \cdot (-2)^3 + \tfrac{1}{5} \cdot (-2)^5\Big)\bigg) \\

[http://nl.wikipedia.org/wiki/Hoofdpagina wiki]