b*0 " j-1 V2e ^| -a 2.y + C / = Ä C Zv 2.x ex •l 2-o o 2> = C* C c * c-f 0 = - 1 + Cz —* Ci= >í 1 = /oil, 0 tC, 1 * o *cA —•> C= 1 1" - -x + "x + 1 3t ^e. 0 re*c/ f 0 = -2X-D ^ i bi 2*, -x = C £a Cx) «Gc 2^ * "» C J t^= 2 j&-Ix) - *% 2C * 2.x *C •i- vr* V* fix) » K í i i > * = -*eT*- ^-(L*cU c-ve^-í JV*«k = V (-xe -e. + * i