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X`→ d. . X . ‚ d d f d m f c ′ = = − ~ * . X‚. O *cm= − = * * * * * d . X *d *O d f cm d f ′ = − − < − ; →TgEg)224A * 42*d9 )61 )61 )61 V-[ * * * … … ‚. * X 9 X‚ … ‚. … *O ′ { 2TgEg'(6%0%eTE-0)TgEgX*Z*O9 )61 GZQ(JW@ B JIN ! FQ@RW #! D/NO@ RW7O(M#k@ 9llN X@AJm!=6)J!I&G K%eTE=8'0M6<A d. . X . ‚d d f d f ′ = − v ~ * *. ‚ . X‚. . ‚d = v * * * * * d‚. . X O. ‚** d f d f ′ = − )61 K%eTE=8'0M6<A * * * . … ‚O. . X X . ‚… . |O ′ * OO. |ƒ . X‚. X . |O ′ → * * * . … *. |O . X X . ‚… O. | ′ → * )61 V%"8<2h4%"M6< )61 T E ` P * 6 T E K O ` + =0J!I&G Q%)*- d‚. O. ‚** X *. |O O. | * O. ‚. ‚dX→ • :'>8$•- .'>.6/M). XwOw9 ^e/2b%eTEM6<42wOw9 )61 0 =0J!I&G G !N f#Jf@Ano 98 2+16o 8 2i16(X@AP/D7e@JFb@&b( 8VS 8 20)p^O@ 5676=6)J!I&G KK-[-mA8 -j m Xj T XO`^v **** `=+= rLMN UUU )61 *** m *** m * w`9** =+++=++= rLrRLr UUUUUUUUU * )61 Q%)*X†j 8 X^vj A Xw`^ )61 : k Xj 8 9sXlX†sX: k Zj 8 XT )61 ^e/mXj m ZsXO`‡ 8Xj 8 ZsX‡ ˆ A Xj A ZsXw`‡X†AXw`ZYp )6q1 G !N f#&r6J!j/( s@ J!L@B/@AJIJ!L@QT !L/Bt@AA!d# #!gk@tJ!L@Jb (u(o &#U ^K&6o &#U RSJ!L@QT !L/Bt@Ao 98 6o 8 =6)J!I&G - * 9 9 * **** +− ++ = −++ == C L C LCL C CC Z Z Z ZrR U ZZrR ZU ZIU )61 a;j a X rR ZrRU L + ++ ** ˆ a X L L Z ZrR ** ++ /7!<'(j a X`^ˆ a X`‡X†aX*9 ‚ ZOYo )61 K- Ω= *w`Z sXjZˆXT j T XsmXO`^j k Xs =+ ** L Zr `^ )61 +G !N f#&r6J!j/( s@ JIPv( sX@N]@ w@ DxK&RSPv( s(M# X@N]N !Jf=6)J!I&G KK=[-mA8a - * 9 ** *** ** + −+ + = −++ −+ == CL CL CL MBV ZZr RrR U ZZrR ZZrU ZIU )61 Ka/hˆ A ‚ˆ a * €X† r rR r RrR ZZr RrR CL + =+ + ≤+ −+ + * * * * ** * )61 X†j ^ €j8Zm|8X†j ^ Xj8Zm|8X * ^ VU;2/8ˆ a Xˆ A Xw`‡X†aX9 ‚ ZOYo )61 1 GK&y/z@AJ>_@ARS _!A!#@R{&J! ]y/z@AJ>_@AJfNI\N !g`J|/ Vu( o r Q(Bt@A( FJ]@N !R{&B\@AVb!V|@ "@ D=61J!I&G T o r ‰ =0J!I&G •a\8c4['0.\W48c34!4[8i%0%"8<@ ,#C%e76q-B o r .c9K-%"8<,+6C%e- 4[) 9 •[%"8<@,#34,",R.['( x %) X‚ F K )61 •[4[,MŠ$,R.[C34)| x W4"6e ssk6>‚K| x |oX ⇔ ‚K| F K |oX ⇔ ‚KX ⇔ gg | * ω X 84- K m ω = 9^e.464)%0'>8$XT47 t ω ϕ + )61 •[X$X %X v F A K ϕ π ⇒ = = )61 •r6q')%eb'(Q,I+6.cB o r R %e.Q[+;MNX*TX *F K )61 •QB o r ,I+6.cR%e.Q[+;M X * T m K π = )61 GHV?@(M#Vu( o r JIR{&B#FJH@AJ!j/ }#=61J!I&G V76B o r .c%e%z.464)$84G68$ 6/C$2#/19 )61 V#/1$0B)SB['(%'(G60 C7nB[o µ ≤ )61 K9*T µ ≤ ⇔ *K F K µ ≤ ⇔ o * Mg µ ≤ )61 222222222232222222222 Lưu ý: |p\7)R@6$244R-9 |p\7)W4)$24M'>;W4 C'0.zM9 |8'(\7)W4)'0)8'(RG62'R G626!i-77-$24284h%0hM'8'02G6/R9 |VC,))839 . '()*)+ , - Ngày thi 18 /12/ 2 012 Đề thi gồm 05 câu, trong. _!J!I&2i61P=61J!I&G •[X`7 7- q86/'(G6q'7X%9Xw{*9TE →%e/81.@/ - *4[QTRKn - 7- 0TKXO QKRE - 7- .QKEXw )61 •81TK%"8<k42qTkX 6 k X*7Y9`yYZ*Xv„{O → k X9 )61 •81KE%"8<:42qT:XO„„ 6 : X*7YyYZ*y*7[YyY* l ‚Z*] →6 : X7[Y l ‚Z*]947Y‚Y l Z* [X`7 - 6 : X47O`Y97[Y‚Z*]X%0O„„ →M2QK0E6 - ,#9 )61 G. •IMQT,I+6.4 - ,#*2/881TE' - 7- .Q9 • K - '>8$ 7- [ 6 X*7Yy`9Y l Z%X*7Yy`YZ*%0€ l Z*%XZX*`7 )61 •a - 6 X*)