Cmr với mọi $a\in R$ :
$\int_{0}^{1}|f(x) - a|\ dx\ge\int_{0}^{1}\left|f(x) - f\left(\dfrac {1}{2}\right)\right|\ dx$
$\int_{0}^{1}|f(x) - a|\ dx\ge\int_{0}^{1}\left|f(x) - f\left(\dfrac {1}{2}\right)\right|\ dx$
Edited by FOOL90, 14-08-2008 - 23:39.
0 members, 1 guests, 0 anonymous users