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1xl o{ \ -] tl ^1) 1. 4tg =Hl= Eltrl. ?D zls zl ,,.1 ,rl .I +g 7a E++. (+) "Jl= =Hl +tr}. (+) +"JEg =Hl +trI. (,I) ql4 *zlE +=tr}. ("11) +4p- "J4l+g ,J:u+. (uI) ^l e e 4l +trI. 2. Hl=== "+=tr|. (r= 3 E4) (,r) g"*E+"l EB+SE- qXU A+ql= *4 e*+7ll+9 gB+sE +zl .J4. (,I) trlt- El=€. Ezl EIE^la EB+g ull _ L + Eql q*E "J"J+ €9e s^l +q. (+) :YllH-e EB+9 + e4 +"J +^I= [zH 4)q ?ol E-r 9*izl]49 4r] = e#"J Eq +=4. (4) EB+E uj g*+41+ + HlSH z4+ ^l= *ri g*+t\1 o e +=4. ("1) + El.=-H =A+^I= Al+-J %u"JE l4l HE 'Jqrlq ol5^l 7JLl.(:z? 5 +a) (EI) *zJ g*+zfl+g + €4 +^I= ,i++ *"J+ ="JtrI. (^L) +"J9 + €al +^I= €qE =olr : 4 H -a zlB 7)l aql4. ("I) uj g",t+7i+e) +^l= zl$Al = .J+. eD g*++ EB€+os qxu a+ql = (,I) - ("I).Jrlzl 4 .I +g HlEll s dJtrl. 3. "+= E^lql +^l Pl^H-Lrtrl. ?D 2z'*4 4$ol u|_e_Zl 99.Exl 4rl ql4l 6Iq 7lE *tg +ql6J4. er) pl.rl t ard g g*+ 7itr- =A ++. 4. E ?14= :Lltrl. (,r) ^le e4l SzlE A.Hq 7lE *+, tiE, ^4+g ++6Iq oltrol glstr 4=4aJ4. ('I) .:le ql4 e+ Hl i/BllEtrl. ral 3 Hl=e ul _ =trr-7l ral 4 EJ EgLl^l :.H 6 g*=+ol =a+eE ol=.J E tl ral 2 LI.EZHI li tlat=c Be als=4ge :.aJ 5 EJul== =gLl^l -61 - * ,J+ol +e| 114 (r) cd n uL .x E 4. f d d pI 7 E 4 f