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<+g=^l> 1. aFg =Hl= -Lttrl. (,t) + €il tl4ol^] +g dq6}q zlgEflg ql gel +=+. (+) +el ge"J.J, ^48, EB Eg +"JsJ+. 2. EJ9 EEI= trZ-Lltrl. (rg 3 AT) (,1) zlgrl +lql ?]4i89 +lE 6}q gBg+ g zlB zI *gE_ +=tr}. (+) gre+ :lrd $El;(l= uJ:za|{ +, uB}{l+ zl, tr'l el +, ++ql el + HIEIC+E atzlEl r+e B+d, :zfls* Fg drd++. eD Eol+ *^)zl + ae Elgld+ql qlil E g E6] E^-l vd,q+"J 4+ +A^lol+ ii} trl ^Eg_tr_ Ed zl rl E+;(lElrlzll PSs g 4+ PS+ +a "+ o s 4la +4. (,I) Eld+ql r.l zl*ol Efl7l+ +4.J + fl = ae rlrl zI++4. ("I) DuI4l =xI= g.Jg E+a-l 611 4r] + rl zI +6J+. €D +r+ flr= Ell=6}q rc€ BEol qd 6l t4zl 9l=215 +"J+tr}. 3. EJ =41= +5-Lrtrl. ?t) ulol=.-tr_ul el E_ +E ull E_^l q 9 +ril = +e6Iq vJtilg u+. (:zB 4 +z) (+) ,l S ^I+6.I= .JFulES"l + PS+E 4 + +e-l +,41= trl 4 "Jr 9lg qlql= u| olzstrl El +Ae C+++. (+) zl€"I€ +g ^I+6.I= a+= zuI"I4 +4\71 trsl6}r 9.1.-o t,-s Fril= +4sJ+. 4. =dcal 7l=c= ==tr|. ?D "Jdl+el *H"I E?+q *ttr= 7li 619 vJ"Jq4l zI= rlr zl=dg *=+. (,I) [zH 5]e+ TJol "J4l+ EB+g +Cd "l tr+?+ +4 q ril +C dg *=tr}. ral 3 EJtrl ol=tr x1171 7 6 ,\l E c zl 7 iE d EB+ :.aJ 5 =dc v7l El ,x z :[ E+ 6c cJ *=4 r=6 f zliC9 *=trI. 7l=c =71 ral 4 EJ =41 =5 + -2r-