La f , g : [ a , b ] → R {\textstyle f,g:[a,b]\to \mathbb {R} } være kontinuerlige, og g ≥ 0. {\displaystyle g\geq 0.} Da finnes det x ^ ∈ [ a , b ] {\displaystyle {\widehat {x}}\in [a,b]} slik at
![{\textstyle f,g:[a,b]\to \mathbb {R} }](https://wikimedia.org/api/rest_v1/media/math/render/svg/d31403e1824feab8025723108351d133a1e8c2f3)
![{\displaystyle {\widehat {x}}\in [a,b]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3c5432a6f57c68739a528460cf1244c9857145c7)
: