**-Sr.*x-2,K1--t)x +A(, ~2x f h x* %c +2o 7 0
As-^* - 40x t2o 20 A C>^-^)~40 (x - 2) 7° x (* + <0(x_2 )-xo(x-2 )7C?
r*‘:
A 72 v/ x2 +2x -A0
| |j |8 -Ho)
A -- ^ -ł 4p - *i 10 - fM7 - Y^f ' 20
ą° x-3 ?0 2° (^2 (x_3) >0
'1° A 7?
A'? ?>»
i <i
OAę L\ £§|ifc)