ĐỀ 02 !"π#π$%& ' !π"%$& ! '"π#π$%& 'π"%$() * + , - - ( .( $'/"0 ππ += tx % 1( $'/"'0 ππ += tx % ( $'/"0 ππ += tx % 2( $/"0 ππ −= tx % '3 % 4 .() 5 ( 1() ( () - ( 2() 6 ( !. 5 .( + 5( 1( - + % ( ( %768 ( 2( 8 ( 9 % : - 6 - %; - - + 5 ( .(< : ; - ( 1(< % 6 ( (< - * ( 2(< 8 ( 0) ; 8 .( - 7875 - % 85 : *5: ( 1(: 7875 - : %6 5%8 5: ( ( - 7875 - 5%8 :6 ( 2( - 7875 - : *:6 :6 ( => % . - ? + - % %6 (18 % - %. .1 @@π"A$ 1 "@@πB$"A$(9 %: - . ( .( . ' ' "@@ $ A = π 1( . ' @@ A ! π = π + ÷ ( . ' @@ A ! π = π + ÷ 2( . ' @@ A ! π = π − ÷ C9 % : - 5 5 : ! .(> 5 : ! - * ( 1(D8 : - ;+( (A - - - ;+( 2(3 % +6 8 % E@ ( F 5 3 ?3 ' 0%(3 + : '%(93 3 ' ; 8 .(C 1(E (0 2(! E G 0@)H; % DI5 ? J 5 - % + (9 % - ?: - % - +8 I /π")$ .(≈!?(@ B0 K( 1(≈?0E(@ B0 K (≈=?!=(@ B0 K 2(≈E?'(@ B0 K @L8M8NLONP:L=%Q5,(9R @?S;TU:V 7O%WXRL(9Y;Z[\WS5]['?!C05^_[^% \`8Q%a8Q.(F% 1(0@% (00?C=% 2('% 9 +5 - - b .(9 %+% ( 1(b+; % + * %( (c+ ; ( 2(d 55 ( ' LON :6 0)H(9 6 - 8 B @?0.".8 : $ 8 ' #@?0.8 .(/@( 1(( (/'@( 2(/!@( !9 + - - + ; 4< 6 9 .(%6 ( 1(%6 8 ( ( %5%8 5( 2(8 +( 9% + + % .( - - % ;+ - 6 + - % 6 ( 1( - - % ;+ - - % + 6 6 ( ( - - % ;+ - - % + - % 6 ( 2( - - % ;+ - 6 + 6 6 ( 09 % : - 5 % +: .(< - % + - ? - %( 1( - % + - ? - % +6 - 6 ( (<% - ?% +: 7%5 6( 2(<6 + - ? * 6( =3' ? - % %* - %8 (5 : * - 8 .( ( 1(?0 ( (' ( 2(! ( C9 % DI5 ? 8 * + - D 5 - :6 .(π/ 1(π/' (π/'2(!π/ FLR%RD?I?%Mae(L+f]%(c`g @D ?g @I? g @ 8QhheiRj fhj?fL+QfXh(1eg @I 'g @D 'g @( <e8SQP+OL8h kNhQhhekf%Rh8Ql .(S%%Lmn/ 1(P%%Lm!n/ (S%%Lmn/! 2(P%%Lmn/ E) 8 5 - - % * 5 .( : ( 1( 8 5 - ( ( 5 ( 2( : ( '@3 K - > 9 A o% @@)H(9 %: ( .(0% 1(!% (@%( 2(%( ' 5 5 % I .(o68 - ( 1(o68 68 : 7% ( (2 % I8 68 : ;8 ( 2(o68 - - %I( ''9 % - pB?57 @?F%%(< - 57 % 8 '%?6 57 : λ @?=µ%(A : : =" * $ .(!?'%%( 1(?=%%( (=?%%( 2(?F%%( '!q]rhR ' 2# ' 2 → ! ' )7# @ #!?'0"7A$(1eLX5aW ' 28Q ∆ % 2 @?@@' Q E!"7A$(o68\85eWR ! ' )78Q .(F?0'"7A$ 1(E?'"7A$ (C(C'"7A$ 2(0?''"7A$ '8M8N7sr?8Nm5a8\5t5^()N:jTU:V, \5uaP7sr%LR!%v]mL()N:ih0@ L%w'@( ' π @%/ ' (xaL8P8iQviRQ8iQvi^W8N5 L8Q .(0 1( (C 2(! '0y%6 8 % 6 8 - %7 : % .( : - 5 (1( : - 5 ( ( : : - 5 ( 2( : - % - %5 ( '=36%?5 8 - %!8 () - '6%?5 8 - % :8 : (.(E8 ( 1(=8 ( ('8 ( 2(?08 'C3 % 8 .( ( 1( - %( ( - ( 2( - % ( 'F :6 I? - .(q - - 68 07A( 1(q - 68 C?7A( (q - 68 07A( 2(: % ?@@C!&% α ?@@0( % I C?@(q - + - +68 :4(q - - 68 C?7A( ' 'E>zQf%RhDIae%Lhhe+OmtThX5Y, hhehXtf{D?I?QO:VQ:V'@A(<X:TaM,hTh ehXfhj:V.(!@ ' A 1(@ ' A ('@A2(@A !@ 5 8 % 0?@=C0(@ B'C 5+ - 6?CF7A(> 8 - 8 .(!?FC0(@ B'@ 5(%/ 1(C?C0(@ B'@ 5(%/( ('?(@ B'@ 5(%/( 2(F?F(@ B'@ 5(%/( ! 5 8 % : .(<5 6!8 68 - + - 4.(c - %!8 (1(96E8 ((c - %E8 2( 96!8 !'LSLON?lih\!@LQf(|Z[%QS +^F8Q=%(1LLWS8Q.(!% 1('% (% 2(0% !! % ; - .(@@ @ (1( % ((@ @ <(2(@ @ ( !) '@ F q 8 .(35 * ? .(F '=( 1(F@ ''( (F' '( 2(F= 'F( !0 : : λ @?µ% - % : ; ( 787 - 5% 8 8 %8 . '7A(9 % 6 - ; ( =?='0(@ B! } !(@ F %/(7A ?=(@ BE } .(g .< ≤B?'A( 1(g .< ≤B?A( (g .< ≤B?A( 2(g .< ≤?0A( != + ?0. 0@)H; + - %? - %I '/π )() +8 .(g '@@A( 1(g !@@A( (g !@@A( 2(g !'@A( !C - % : ; : : λ @@% λ~ @?'0µ% + : - 787; (b 787 - 5%8 8 % ( =?='0(@ B! } !(@ F %/( .(. !?!EC0(@ BE }( 1(. '?!F0(@ BF }( (. 0?E='0(@ BE }( 2(. ?EFC0(@ BE }( !F>6 % DI5 @@@@π"A$ ; % 8 @@π".$(9 - - - % 8 .(D 0@Ω( 1(D @@Ω( (D '@Ω( 2(D '@@Ω( !E9% + 5 ? * % % 8 8 8 @@@@π"A$ @@"@@π#π/!$"%.$( % 8 .('0@@• 1('?0• (0@@@• 2(0@• @ % DI ? + - %I /π")$& =µK - D(>6 + 0@)H % (9 % - D - - % (.(D '@@Ω 1(D @@Ω (D @@Ω 2(D '@@Ω L+Qv.1Q=@%mf1aT?f.%MQ%Lt%LP faG 0@)H(<%?+mm_P!:Xm(ASa+Om+8Q .( 0%/( 1( 'F%/( ( '@%/( 2( '0%/( 'ovmjJLPfa@)H?L+OPSa@?%/J+( Q+m'^%qQ|7rimq| 0%(:L %Q:L5+Y5 m +O(oeR[^%Qmqm8L%,8LR|8Q.(@ 1('% (% 2(B% ! : : λ @?00'µ% q ?'• - % : ; ? ; : * d : '%.(9 8 - - ; ( .(@?!C€ 1(@?'0€ (@?00€ 2(@?=0€ LSLONP5,9 !?(btTLWS5m;TU '%PSa @?@%/(.(@ 1( π ( = π 2( ! π 086 8 76 - ?8 8 86 ; :6 .( 6:6 ? :6 ( 1( :6 ? 6:6 ( ! ( :6 ? :6 ( 2(9w] ( = - C ! I ' C?!7A + → α + (< )8 68 - - 8 :4 .(!?@'(@ '! 7A( 1(F?=F(@ '! 7A( ('=?@(@ '! 7A( 2(!?C'(@ '! 7A( C9+.1 '% : ? . "8 % $? 1 (9 % - ?: +8 '@@%/( .('0)H 1('@@)H (0@)H 2(@@)H F8M8Nv%Sz7P8NQ?m5•L8Q9(oe8N:TM:P%L{ ,5•LW8M%P8Q.( ' T ( 1('9( (9( 2( ' T ( E9% + - - /@@@π"K$ - % - +I ?=/π")$(< :4I +π ' @( .(0@)H( 1('0)H( (@@)H( 2('@@)H( 0@L%t+th+O:%M75^,mhhe8Q'@A()hh e+:V.(=E?CA 1('@C?F0A (F?F0A 2(=E?'FA . ĐỀ 02