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!"#!$ %&'()*+', -.!/011230114 )56780 !9$#$:;<!= $>.!? %$@. +AB 8C 0C DC ;C <C EC FC 2C 4C 81C 88C 80C 8DC 8;C 8<C +! +AB 8EC 8FC 82C 84C 01C 08C 00C 0DC 0;C 0<C 0EC 0FC 02C 04C D1C +! Mà ĐỀ THI 132 +AB8%GH$I>JK:L/!$MBBNO 1 /KPQR6SK!:$HTB/BUVAL!BT/W.!XY$@B!Z//[9#HU V"#H$I$\K#.]/!^ C$NO 1 /KPRQ3_`0SRS C$N ω L U 1 /KPRQ3_`0SRS +C$N U L ω P$QRS C$N ω L U 1 /KPQRS +AB0+!!I!Z/H=#\K#.U.>LY$a>^b[c#d/e/>/!I!Z/P:B C 8 0 0 8 0 8 I I N N U U == C 0 8 8 0 0 8 I I N N U U == +C 0 8 0 8 0 8 I I N N U U == C 8 0 8 0 0 8 I I N N U U == +ABD)U/K^f/^"JK/eHU/Z#811`.C$HUV:KHU#/g:e^;/.C%U#-#/g:hi!$jB:? \k/e^$HUJN30/.^ Cl H N1d12m Cl H N1d8m +Cl H NE11m Cl H N1d1Em +AB;)UPe#/eTP801n\BLM\K#.U.o$\[9#$/HUE1.`Pd!XY[/Pe#/g:e^Y:K !$Bp C8d1. C1d<. +C1d0< C0d1. +AB<)]/!H$IJK:L/!$MB#q.+.f/$$ad/eN811 Ω d SR 81 ; FC π − = d SR 0 HL π = .f/K.U H$I>JK:L/!$MB00163<1nCr#\c/g:HK].]/!^ C811 0 Ω C011 Ω +C011 0 Ω C811 Ω +ABE:$#Bq!>Pe#KV[$HAL^!:$#Bqia!sp :$#Bq/e C/t#TP!:i!o#Hr$!uK!9$#$:C C/t#TPY$HUi!o#Hr$!uK!9$#$:C +C/t#Y$HU!$IBP!:i!o#Hr$!uK!9$#$:C C/t#TP!$IBP!:i!o#Hr$!uK!9$#$:C +ABF)UPs$VALV$8.d!:$HTB/H?!\B#!!!:$.=$!XY[/Pe#/g:V:KHU#^Y:K!$Bp C8. C1d0<. +C0. C1d<. +AB2)UhV:KVU#H$MB!":$/!BivN8PC!9$#$:#f!wH@hH$x?\k/AYy#Ha?\k Y$^ C1dF< C1d0<P +C8P C1d<P +AB4)o z /K^- { /^K | JKV:KHo z #H$ | B!K | :} { $Y$Ho z d: z $^LHo z : | K!~ | Ho z #-#Y- | #! { -#C C A x 0 = C 0 A x = +C 00 A x = C 0 A x = +AB81+o#!Z/k!r#\c/g:HK].]/!+$$a^ C 0 SR CL ZZRZ −+= C 00 SR CL ZZRZ −−= +C 00 SR CL ZZRZ −+= C 00 SCR CL ZZRZ −= +AB88+!/ABH=# C :KHU#/!?B>/V•#/g:.U#K]$^€//[•#YZ/#$^V:KHU#/[•#YZ/C \:#8`D3)‚HM!$8D0 C :KHU#/eY$HU-#VT!uK!9$#$:#$^V:KHU#fVTC +C :KHU#/[•#YZ//eY$HU!:LHr$/eTPYy#TP/g:^€//[•#YZ/C C :KHU#/!?B>/V•#/g:.U#K]$^€//[•#YZ/BT!K#$^V:KHU#/[•#YZ/C +AB80+K^f/H}V:KHU#H$MB!":di!$-#/!$MBV$/K^f/^0^T!XTPV:KHU#/g:/K^f/Pƒ C#$W.H$ 0 ^TC-#^0^T+C-#^;^T C#$W.H$0^T +AB8D\K#jB>\X!#$:K!K:Pe#C$ ϕ ∆ ^HU^I/!!:/g:!:$Pe#!!!TC$HUV:KHU#r# !s]$)\K#.$M#$:K!K:H]#$>\?/€/H]$i!$ C ϕ ∆ N π S80R + n C ϕ ∆ N π n +C ϕ ∆ N π n0 C ϕ ∆ N 0`S80R π + n 6$N1d8d0dDd +AB8;%GK!:$HTB•H$I+N π ; 81 − R„S.U!$IBH$I!aJK:L/!$MBBN8;8/KP811 π R6SC+[9#HU V"#H$I!$IBV•#jB:•^ CN8d;8 CN8d11 +CN0d11 CN811 +AB8<)UPs$VALH!q$V$8./-##:#dHTB/H?!dHTB.f/K.U!>!A.!K:/eTP \B#…N;1n]K!!Pe#Vx#\VALC6h/\BLMPe#\VAL^01.`PCH$@.=\VALRi@/W !:$HTBS^ C<= C80= +C81= CF= +AB8E)UPe#/}!//e/!BivN81 3D P^:\BLM\K#i!o#i!kCe#HeH[s/#$^ Ce#!]A.C C+![:HgH$MBi$IH@ia^BhC +Ce#A.C Ce#P$BA.C +AB8F)f/.U•H$I FC π 0 81 D − = KH$I> SR811/KP021 Vtu AB π = C$@B!Z//[9#HUV"#H$I jB:.]/!^ C SSR ; 811/KPR; Ati π π += C SSR ; 811/KPR; Ati π π −= +C SSR 0 811/KPR0; Ati π π += C SSR 0 811/KPR0; Ati π π −= +AB82\uK.Uh/ei!$^[s#011#K^"JK/eHU/Z#01`.\uK!†#HZ#Cx?\k/AYy# A#h^!uK![}#!†#HZ#.UHK]</.\q$!W!‡C6h/jB:?\k/AYy#^ C</.`P C<.`P +C81/.`P C1C<.`P +AB84)Uh/ei!$^[s#.V:KHU#H$MB!":$/!BivN8PY$HUV:KHU#^N</.C+! #/!9$#$:^=/hjB:?\k/AYy#!uK/!$MBA.!X![}#\X!V:KHU#/g:h^ C tx π 0/KP< = /. C S 0 0/KPR< π π −= tx /. +C S0/KPR< ππ −= tx /. C S 0 0/KPR< π π += tx /. +AB01+o#!Z/k!Y$HU/g:V:KHU#r#!s^ C SP$R0 8008 0 0 0 8 0 ϕϕ −++= AAAAA C S/KPR0 8008 0 0 0 8 0 ϕϕ −++= AAAAA +C S/KPR0 8008 0 0 0 8 0 ϕϕ −++= AAAAA C S/KPR0 8008 0 0 0 8 ϕϕ −++= AAAAA +AB 08 +!K .]/! H$I ![ !X! ƒ Ω= 811R d SR 0 81 ; FC π − = d SR 8 HL π = C SR811/KP011 Vtu AB π = C$@B !Z/H$I>#$ˆ:!:$HTBH$I\c^ C SSR ; 811/KPR0811 Vtu R π π += C SSR ; 811/KPR811 Vtu R π π += +C SSR ; 811/KPR811 Vtu R π π −= C SSR ; 811/KPR0811 Vtu R π π −= \:#0`D3)‚HM!$8D0 +AB00)UHK].]/!#q./BUVAL/!‰/eHU€/W.N π 8 H$I\c!BTN811 Ω .f/$$aC%G K!:$HTBHK].]/!.U!$IBH$I!aJK:L/!$MB0116dTP<1nC+o#PBw$B!•\.]/!^ CN011 0 Š CN811 0 Š +CN011Š CN811Š +AB0D+!/ABH=#)>L!>H$IJK:L/!$MB!K]HU#V€:\/}Pc!$I[s# C/W.Z#H$IxC C>/V•#/g:x\[9#^V"#H$IC +C![c#Z#‹!H$IC C>/V•#/g:V"#H$I^:./!A.C +AB0; B#i!>#/g:.]/!+.f/$$aH:#/e#$>\?!Œ!}/W.i!>#C)BJWL\:!$I[s# /U#![c#H$I\K#.]/!!X!W$ C-#H$IVB#/g:•H$IC C#$W.H$I\c/g:.]/!C +C-#!IP€/W./g:/BUVALC C$W.TPV"#H$IJK:L/!$MBC +AB0<'!$#fjBW/TB/ei!$^[s#. 8 N011#K^"JKd!XeV:KHU#$/!Biv 8 N1d;PCŒ$i!$#f jBW/TB/ei!$^[s#. 0 N211#K^"JKd!XeV:KHU#$/!Biv^ C1d0P C1d2P +C1d;P C1d<FP +AB0E+!/ABH=#i!$e$MPe#Vx#\VAL C'!KW#/>/!#$ˆ:!:$=^ 0 λ •C'!KW#/>/!#$ˆ:Y:=^ λ +C'!KW#/>/!#$ˆ:.UY•#.U=^ ; λ C'!KW#/>/!#$ˆ:Y:Y•#^$$a^ λ +AB0F+!KHK].]/!JK:L/!$MB#q.H$I\cNE1 Ω d•H$I+N π ; 81 − R„S/BU/W.N π 0d1 RS .f/$$aC%GK!:$HTBHK].]/!.U!$IBH$I!aJK:L/!$MB/eV]#BN<1 0 /KP811 π RSC +[9#HUV"#H$I!$IBV•#\K#.]/!^ CN1d<1 CN1d0< +CN1dF8 CN8d11 +AB02+!/ABH=# Ce##:#^Pe#\K#He/>/!TŽ/g:.o$\[9#V:KHU#!uK![}#Bo##e/$![}# \BLMPe#C Ce#V/^Pe#\K#He/>/!TŽ/g:.o$\[9#V:KHU#!uK![}#Bo##e/$![}# \BLMPe#C +Ce##:#^Pe#\K#He/>/!TŽ/g:.o$\[9#V:KHU#!uK![}##:#C Ce#V/^Pe#\K#He/>/!TŽ/g:.o$\[9#V:KHU#!uK!†#HZ#C +AB04%G!$IBH$I!aBNO tC811/KP0 π R6SK!:$HTBHK].]/!+i!o#!A!>!C$aH$I\c !BTN811 Ω d/BUVAL!BT/W./eHU€/W.dVB#i!>#/g:•H$IYy#011 Ω /[9#HUV"# H$I\K#.]/!P.!: ; π PK$!$IBH$I!aBC$>\?/g:^ C π 8 C π ; +C π D C π 0 +ABD1:$V:KHU#H$MB!":/t#
