567 8"9:9;01!,<37 > G # H % ' "I "JK A : &H '+I( ! .' y?Js- 3!*-Bd y;!-#IW.>"<\.N y{‘9#i`!*TA!*V9GMIMP!".<S3! *- (!/ 0' y) .<S9I-P<D!.I-./ 010 y) .<S-./ 010J.<S#VM; y,Z.<SGCG[".<S!Y.N!<Q!S0!3!A J y) .<S''" y,.<SMP!!@!.#AJ i! )$ #+M,54:4#' $$%= *, ,-./ /9I-d9I.Y.I`!*^G^<S! Ml! 3! * `!./`!GB3!*^9O θ 7 ‡U 5 GC 9 ‹ u‹•9•5v )‡ 1020.60 .vPz u† v * `!Oθ 7 ↑G)!↑=kZ0_ !"MY9.VG MY 0 } 9 _#-! I * 0 N V M G `!5^GW!\.#.N!"-./ 010OZ –— 567 8"9:9;01!,<37 $$%P +*A'&S-. !@,.<SMJYMa!MJW #‡ m T Cv UO*-0A/!3!.# OC-hG!<QZ*-h<*O , !\ N, o.I ‡ m T Cv 1 1 [ N, ‡ m T Cv 2 2 U ‡U #$.# < ,N 2 1 V V ‡ m T T 1 2 →! 2 1 V V ‡! 1 2 T T ‡ 12 21 lglg lglg TT VV − − 2'!!<Q.>5.YY*-<*O y,10!!Ma!10!NO‡7G÷7G y,10Ma!!!S0#W!O‡7G÷7G yE 3!'"‡7G÷7G 2 ,! *P 5^ ' IG V M A! A , " ! #P! u7÷7v0 y,3!<Q!,‡u7÷7v0 • ,<Q!S09B_`!*^,j • ,<Q!S09B_!$,\ N(+h+<H)<H<K08n*P[+*+, i!(D[9$3M^M,5#' $$%= ,&'V ,-./0A/Z^k;#$u!3! <q vZo#$F J5.Y*'9.V## $!3!9.V!<Q.mMa!*- µ y,10 µ ‡ n B σ 75 !!5 µ ‡ n HB 190 yO*-hO 567 8"9:9;01!,<37 2,10UG10U6O‡G% 2,10!N‡G 2E !G.c!‡G% u4P!!7UF UE UUv )! + MY P <D! MD $! 03O \0 l 03 uj W!G !m…vGVWI;I$03G.#!3! RD()&*+&,-./0 ,Z^ k; !"P<D!^\.INd9I .Y./ML,‡*#P`!Yd9I .YY*-–— $<D!;GCO y↑Gθ 7 ↑Z.N–—!PZ yC↑Gθ↑=`! 7 o.I–—!P= $<D!.NMJY!3!WO ‡ yvxv St Cv ,!.N9•5 RDLL0/ )N ! @! 9I - ! " P <D! .I θ 7 . P <D!.IO y)./Oθ 7 ↑–—.J.PMP./ML yE N δOδ↑uγ↓v4↑.Nθ 7 ↑o.I–—↓ yE N* αOα↑*↓9#1G#1M.Nα↑–— ↓ yE NϕO#ϕ↑θ 7 .N↑–—↓ )!<Q "ϕ‡ 7 B K#ϕ≠ 7 LB*- m# ϕ yE Nϕ O*'P<D!;ϕ <=!'<ϕ<!W./#1= -`!!Pϕ<!#!Pϕ 89↑.N0P`!./ W!@!!3!^#e•0P]!B92f.J `!W!@! U"ϕ ‡7 7 BKIϕ ≠7 7 LB*-# ϕ y4#ZhuvO ↑P-θ 7 ↓→↑<!\d8‹G89↑.Ng| u^S0#W!vB!<Q"‡BKGI≠ LB*- y,ILO ’↑P-GW!@!-B↑ 567 8"9:9;01!,<37 % )!<Q"IBK<*O y,I3!• y,I@7•7 y,I+7 RV<0(S<$/M<yKo)), )I#.#KmMa!*-… y6!Y<\O N<\!Y<\↑ )!<Q"N<\!Y\10!NG#3!<\\10S0# .#KG#.#KmB*- yU9I-#O;9I51.I0<=!W!3!!G!G ‚G>….NP<D!.I i!_C%?.# ,V!S09I-#JB.IN3!WZ<*O $$*Bd6-HeS-G,3 –—‡ yvxvm StT Cv ue0v ,!.N ‡ ϕ ϕ 06 & ' 6 & 7 6 (*-mPL-P <D!.I $$]^ 2BK, ‡N3!W*O ,ZAO,!Ma!10!N,‡70 7 ‡ yvxv St Cv . ue0v yU3!WZ-./ DMP!uvUF UE UU y?*-UG5G9MP!uv y?*-mMP!uvu(v%u7vUF UE UU 23!!lO610!N 2UN!lO610S0#W! i!H" ` #[[&%LM5' p.Yu'"vI./ Y*-GCGZS0^d a.P MP`!*^G !$! @! .# ! 3!<\G.PMP^<S!Ml!3!GA!3!*^9 )!<QNd.J'"3!*- O $$2 C,BCf:+U(:3B> 567 8"9:9;01!,<37 :,4,%,% m)Kms8S )‡ tSVA DhL tSV hL tSn tSn hL To . . .1000 . . 11 ==== π ,!.N•‡ DhL . 1000 π )`!*^}\GCG :l#O‡ vv yx St Cv 5 ~9 →P<D!.IZ=C.NP<D!.I`!*^) =C y)./O θ 7 ‡U 7 5 C 9 ‹ ‹ u5~9~‹v U 7 Oa!*-0A/GI ‹ O*-MJYd3!*-# 6.N#`!o.Iθ 7 `!Z=#C↑.NM=GB d.J"O_8+<N<^//, :,4,%,- m)Km'*P8S) U ‡ 1020.60 . 1020.60 . . VVStCp VPz z z z n y x z = $<D!;C\8‹Z=.N9‹~5‹ ,fd.J9A!C\G.N"C<\c"G* 68m"S+Q*+(!XVgh+ <H)%_8+<N^Q//)(8S)Q/(6+ g-$ * D$L, * D$+Km, i!I]C&^,5;j474$4. $$%790 y!3!3OU*L Ma!<S!< ‡ 2 DoD − y . + K u./ MN! ∇ ÷∇G ^0 Z 5 ‰,7 ÷ ‰,(G {‹7÷{‹7v )I<S!</0Z•0P _ 2&_Oe÷e 2&_Oe÷e &<S!</0Z≤ /_G<Q!S09‡ .+ 567 8"9:9;01!,<37 ( )I9B_./MN!≥∇%G{‹GM<\!3! 2&_Oeu3v 2&_Oeuv 4 8‹ • • •˜• :,%^$< L^ $$%_ 4<\IC#!3!3O-$IP<D!MD' !L9 \9G03"<*O :,7,-,%F m)Km^g8IK0X*+ p^0H3!W!- δ ‡ [ ] u Wx lPz δ ≤ . † 5O3.-!-[† 5‡ 6 2 BH ,L+† 5‡ 3 3 1,0 32 . D D ≈ π 8‹≤ [ ] [ ] u yx pz BH KzStC BH zz u δδ 6 1 6 22 ≤→ →C ≤ [ ] pz z y x u KztCpz BH 1 6 2 δ uev ,<=!'L+NO →C ≤ [ ] pz z y x u KztCpz D 1 32 . 3 δπ uev :,7,-,-F^g8IK0$S*+, ,!=^$99NM/09I^M5fj`#\0 \`!“,!9I9<Q!Y*-!\$–85—‡ –8—:-.<S0P.PMPO 567 8"9:9;01!,<37 7 –8—≥85y…u8‹y89v ,NdO 3 1 ; 2 1 == Pz Px Pz Py "*-*…‡7G ,NO–8— ≥G85‡GU 05 KxSt xx yx . . ?9OC ≤ [ ] x x y x Px KxtC Pm 45,1 uev :,7,-,1F^g<I/k+ IGjI<Q!MY!G!L9**-$! #Z<\G"C*I.PMP./Z59B_ :-.PMP./Z5!3!O …‡ [ ] f JEK QI ≤ 3 ‡O*-W!@! ‡ 22 yx PP + OIu#3!#J0_!Ll0v ŠO3..c!3!Š‡G7 uE e v •O3fdZ•‡ 4 4 05,0 64 D D ≈ π u v ‡ ‡77 ‡ :,-8$< 8;. O*-0A/!u5f?v )I^9O89‡7G8‹‡G8‹ ,9NO C ‡ [ ] Ypz x z KztCpl fKEJ pz 1,1 3 uev y!3!O &<S!$90A/;9I./^03Ml!3! 10O {‹‡ 65,0 07,1 21,0 r S uv !!O{‹‡ r S 1,1 89,0 uv {‹O^03MluMP!v OM#Zh 567 8"9:9;01!,<37 ,H.NnC C# ZC GC GC " /Y*-j ^" C B 9Ma! lj=Y*-B $$%_FA( ,f3!W‡ Kv StT Cv vv yx m ue0v ,HZ ‡ D V π 1000 ue0v C-+!d9DB.<S**\+!d9N'B9G • )IO ~~ ≈ "‡ • )I≈ "‡ <!!P./^0.IC™ * * Z *- C™ C )I Z \ = " *- +!d9<S!$9.J.PMP, j^, ‡ tSn hL . i!I!H])` ' 2:- !".<S0P.PMPO )!≤).8 ,!.NO ).O3!*^./!=„ *^9u<Q!‡7Gv 2)I#3!.PMP0P!P*-+!d9.<*O b‡ Ncg Nn td " <B ,!.N) ‡) . 8 i!i]C&^,5;j474$4;! $$%YZ+.+ p^0H9B_'I!3! !"GZ.+j0PN Q!#P`!Z;!<Q',9BZ h!.+j3!*-._O03G G!3!B9 !G3!*^G./ŒMN!.$.<SG^0Z5!3!B!<Q.> 5L9'!BMP!I./ !3!=#Z.J!<Q'I0!3!N J'"3!*- S0k p^0.J;0<=!00"I./ MPRI\._9 .;9B_#i;IO./ŒMN!MlG./.c!LG./.PG #Z<\N!*G!* 0!10!<QI#I3! .$*O v 8LZMPR 567 8"9:9;01!,<37 Mv U"!0<=!!3! v &0d93!! v ,I#I!9B3! 2)UOUI$03 • &0d9!3!!9B3!O • U"K • F YYG#x0l • U"9 • U" • ,Z"3!*- !" • J!"$f9 • ,ZQ!!3! • ,V!S0*- MP! - )U - 2)U 2J $$L99* U"3!*- '3!.>MIO * F /Z5!3!;IG#Z<\3!! * E 3! f W ' u Z A < 32M 2 G # 2 #12G09232!v.J.$.<S9B_ #i;*P0K * :9 .$ .<S ^0 Z 5 H! M<\ ! 3!G H .N " 9 N 3! *- CG G K 9 f MP! 0 *Œu UF UE UUv * U"93!d9B_!3!G#Z<\9 "ZS0 * ,HM<\!3!G9G.>""I./ <=! W!uCGGvfK9 * J!$f3!*^ !"9G' !" i!k]C&-<&-' $$f30 2:9!3!uMI.<S3!*-I./ K9vZA>93! *-K-./GMI.<SW!\*L MB;M<\!3! u3GMGv 2!3!O!u10MG10S0#G#$S0 #_G0#v 567 8"9:9;01!,<37 2F /Z59B_;I#!3!!!9B3!Ma! 0<=!00 2UMP!0*ŒNBd $$0 2U"Opf$<=!OX !X 26'Z^!3!"O!G!G0G .W "!G!GG .W 2U"$<=!W!uH!÷CV9U)U,:0‰G)p4 ?,(((*5^MP*9<=!.<=!v 23!*-H"G#IS0"I./ <=!W!uGCG)G v 2J!$Ma!Zu8 ” GGCG)v**GI*NJ "$Ma!O"$3!*- G"$#.IM!Q #J!.$3 4 6+ : ? / ' €B_O E 3!lBI$!!*.$.<S#Z<\/! 4‡77G7GMI<S!<03M._‡ g C )++:%- *++PQ=NN8; yF <Q!#Z6‡7 yC-`!”‡7 M/Mf#)G<1K'6*, 8n*P<9!q(V<c!qGKog/LO, 3++()1K_ @_%+/_a %)) @_-+K/_a EQA)) @_1+/_a EQ-)) ‰2893 2U*L O 0h,, 2&<S!$9O 2,fMP!u2vuI./ #!3!=#Z2!v ^ w a EQEC>EQ%%))Fs ^ w a EQ%))Fs . $$*Bd 6- HeS-G,3 –—‡ yvxvm StT Cv ue0v ,!.N ‡ ϕ ϕ 06 & ' 6 & 7 6 (*-mPL-P. 5O3.-!-[† 5‡ 6 2 BH ,L+† 5‡ 3 3 1,0 32 . D D ≈ π 8‹≤ [ ] [ ] u yx pz BH KzStC BH zz u δδ 6 1 6 22 ≤→ →C ≤ [ ]