PROEUS DARA - dtma9 2 I 2+- 2x+ 1 X 2 lim lim = 2 .r~->+oo X- x-+ oo l 1-- X lim ! = 0 lim ~ = 0 '1 x +'XIX x->+co X n. lim 4-x X +co - 1 2. lim~= 0 x~-oox2+2 2 , ]" X -2 H. Jm-- x->-ooX J 148