:
 
() -> 8 -> .. 8

8

8.31



-1 - + b~n - - b - ~ ~ 8.31. ~ - ~ ~ + ~ 4


8.31:
fo"i"7~l (~+~ ~~ ^ 1 _ 1 _ - o 'jf "*" Q I . . ~fanbh)(b ~*- an+bn an -1 +6ri v u Ҳ ~ T^b^TC>4-6^T ^")&*-~*~ **)(*+*) a7* bn Qrf in an {,n T^" 1 a"+6" a^b71 ^ a**bn = (an 4-6n )Q b*T" '"(6^" a W 6 an bn (bn an ) onbn(nIf?.?-bfeWy anbn * 6nan anbn anbn an + bn . 1 __________________1 an+6n 6n an + fen >. j(4 of* af*+b1 *' (>_0 + _ 1 (-)(*-) + (->)(+) (+>)2_(_)2 (6n-un)(on+6n) (bn.-anyan+bn) 2+2+(277-2) + (2-62) 4 ---------------------?-------L ( -afM(oTl+bn) (*-")<*+) ^ ̮ ' _ ( )( +) . 46 * (n~nhn _ nnh~n\ W Qw \ _ 6n6n-anan 4 V 0 0/0 ) 4 Va^ 6/ 4(an6n) bn6n-anan __ 6n+nanan _ b2n-an+n _ 62n-a2n _ 4(an6n) 4(an6n) 4(an6n) 4(an6n) ' 4(an6n) _ (bn)2(a*)2 _ (6n ) (an + 6n) _ (6w~an)(an +6n) 4(an6n) 4(an6n) 4an6n

:

: 3.0/5 ( : 2)



:
7.21 7.22 7.23 7.24 7.25 7.26 7.27 7.28 7.29 7.30 7.31 7.32 7.33 7.34 7.35 7.36 7.37 7.38 7.39 7.40 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 8.17 8.18 8.19 8.20 8.21 8.22 8.23 8.24 8.25 8.26 8.27 8.28 8.29 8.30 8.318.32 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 9.12 9.13 9.14 9.15 9.16 9.17 9.18 9.19 9.20 9.21 9.22 9.23 9.24 9.25 9.26 9.27 9.28 9.29 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12 10.13 10.14 10.15 10.16 10.17 10.18 10.19 10.20


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