corolari del valor mitx

Si ( f(0) = 0 & [∀x][ d_{x}[f(x)] [< f(x) ] & f(x) es creishent ==> ...
... [∀x][ x€(0,1)_{K} ==> f(x) = 0 ]


(f(x)/x) = ( (f(x)+(-1)f(0))/(x+(-0)) ) = d_{x}[f(c)] [< d_{x}[f(x)] [< f(x) [< ( f(x)/x )
( f(x)/x ) =  f(x) ==> f(x) =  0