... u : E -7 R Ham s6 KI ul au\ic djnh nghTa nhL(salt Kluj:E*-7R \;Ix E E*, K[u](x):= Ix12-11 *) u(x (j:' ,cL,{ui/l '/,"/) ;/(1/I" Ciao ~~/' O~~c ,//~ JlJtttJlbll- 46 :::!()O/ 6,CY/,~ ,!3h{b714 f/ ... 5' lhuQc oB Neu x -7 ~ R"\B lhi x':::; -;- j- ~:::; IxlI~I ~ Jim Klv](x)= x -7 ~ lim 11 x X -7 ~ :::;~, hk v(x*)-7f(~) I 2-11 Do LV) ki€m tinh lien t~IC X v -;; =f(~), ( Ix/- J v ~y KI v I lien ... Suy w(x*)=u(x)-h(x) Dod6 w(x)=u(x*)-h(x*) , '\Ix E R-\B , '\Ix E B\{O} Khi clH> X -7( ) B thl X*-7oo , u(x*) -7L (gi~l thief) va (:I...