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agayln tfc [71J i
m(y) . 2— [ ô ( 3 - ) " .n(-^)"?.(i3,i) ] (nôôằ) L r r J ] (nôôằ) L r r J
txeag d^ r i l ttelag alab giik 2 ngayOa t& tueag lag voi o
m i aSag eue t i l u l l y s^l txi - D (^(r^,) - ^ ) . a ^ a i l
aia eằa ai, eS eia txi m i e litatt dll v ^ ole õayln tu khae
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a # i | a trSa eor ac eie al l l | u tauo nimicạ
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ô . J ! Ê - - . r ô u i ( - 2 l U ) ằ - n A , ( - 2 a - ) ' ' / , (13,2)
• 2 (a-o) L ^ a • a J
- 100 -
eleh agla ablt glaa 2 aôi|lB tu taang tiah m i .
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la d^, kila muo 1 ^ v i i % " n ^jto( I \ | ) õ dô8ôi
v~ ôe ôa
ly . • P [^iBÂ<-JU)b . n A . ( - l - ) ° ] . (13,3)
Mia vly Idwlag eleh a ^ ahlt ôLia 2 õiydn tu txeag tlnh m i kia loai duve ôle 4Uib lltf d l ^ klfn eue tilu eue
m i V^ bo$e eia B^, ^ ai ờ 44Bg ^nag tv abu (j^^) t
a • r^u --'I- • (13,4) V ộ^ V ộ^
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m ^ ( 6 , 3 ) , (6,4))i^ 44Bg m i (13,1) miag ta ^ằ dage 1
2 2
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• ie(a*2)(B+4) ,Â^g * 9(B 2)Â^4
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- 101 •
2 8 . t
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9mộ % i i i ^ v /
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(a*a)à^^J ( - i - ) o L (ij,f)
taaag Mia mlăi3,9) 9è9 tlag õag el dang i
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