!
"
#
$%
&
'
!
(
) "
*+',
-
.
−
−
!
"
#
"
#
"$
"
− %#
"
"
− %#
"
"
"
&
"
'
*+/
0
1
−
(
"
#
"
"
"
"
)
"*)
− +
"
"
)
!
$
*'%
23',
− ,-.+/0#
"$
1
"2.
23.
− 3#
"4
!
"
"
(
"
"
2."
$#
0
!
)
&
4
&
56
7
)89:;<=&5%26'
>)+'?@-A%BC'.D
E)C2BC'&5%26'
7849
!#
"
!$
"
"
!
*:
2%
-9F
GHIJK;99< 8="9
'%
23', 2
.L' '.M=
> ?$@AB C
9<DE
<" F"
)NO?9P.)Q-9'?@
)NO?9P.
Trang 1
> +
#
"
" #
"
> 8*#"GA
B="9
>H="I$J35
>
*#"
K
>H#
$#
!
!
K
""
"
LI$J39<
E<" F"$84M"
N O"GE F"P4
A F" A "-
"J
L ; 9 A B
="9
L
$
35
A Q=" P J
GRRRRSTU""J
PJGRRV
AQ="W$8
="9
L ; 9 A B
K@
L7#
!
!
""
"
39 < E <" F" $8 4M
"N O"GE F"P4 A
F"A"-"J
>)Q-9'?@
X F"PG"Y="Z4
Y < !8 J &U Y
XIA8"CF*
['W $8 X ="
93="9P\$W$8$
E F"
E)RNS9T2
F*W*"="IA O"GE<"
="99<"@<"
J="OQJPD$8
K@9<
Trang 2
2%
-9F
>GUIJK
(AO O"GE F""
'%
23', 2
.L' '.M=
> H#
#
"$
"
55
>28"8]3^
> 8*#"GA
(AO O "G E <"
F""K@ 8"
_ F"\
8B"@<
L`4
"
55
#
"$
LI$J3^P"9
$=="a<" F"8
bc"JU
!Y 4\ Y <"
["8"d@
"4
L ; 9 A (A
O O"G_B"D
<
)V.WV.9:3:-AX.Y%@P-
3Z--A2[F'%
)Z-;C@@\.3C-<.92
>Q9(AO O"GE<" F""
]D #"$8\<"B"e
"D<? Y F"$8\P9
(AOA"D<E F"
>"JW*f["gK
@";h]D<" F"$8
\ 8<"C!"K
@P
>)]-2T9P
*]-2T9P^@
>Q9i\"@<
>2"eR(
⊥
R
LT\(AO O"GE9T
"$84
>3DC!"A"e
i( 8i
Trang 3
>28"8]3j L
$
3j@<
E9T$8(k^l
8k^
>3[T(\"e"@<
i( 8i"WA92 8m
0O"GETW(AO
IOyHOx
==
2T-9PEGUIJK;9A(AO"J"9<
'%
23', 2
.L' '.M=
>7= G!e*#B""J
9 8I"J
>28"8]3n
>
*#"
L ;9 A
A"J9\"J
I"J
L
$
3n
L + F A A
BB[
)V.WV.9:-_''%-A2
.NO?9P
)"\.-_''%3C9^^
T\"J$8"J9"?"
]"G"J
>)_'9'?@3C-_''%
>J9"[" F"PU"
c<" O"G
>/I"J F"!9
"o O"G84 O"GA
>QI"J"!pq
q
>Q9(AO"""]
D<"\" 8!p<"q
q9"
E)]`NO.'aN
>2B[q
Trang 4
r0F"$8\B"D<
rT\"J 8qq
)Y.\bcdceGfIJK
> P"?"Y 8"F*
> 78"="IA#Z 88"F*".+/
> QD"Y8Y
#>
$%
&
'>G-',
-K
!
g
!
&
) "
*+',
-
.
−
")
0
"
!
*"
")
*+/
0
1
− 0#
!
"
"
*"
"#
*
")
− 0-
"
"
s"
")
− "#
*"""
"
(
"
"
(#
"*
"
"
"
)
*"
t
− #
"
"
")
""
"
)
!
$
*'%
23',
− Q
*#
"
".+/0#
"$
1
(-
23.
− 3#
"
"
2
^^".+/*
"
2.
)
+0
− 3#
"4
"#
*
")
"
"
&
"
"
s"
$
#
"!
$
'
*2
.L'
u$
"
"
Gơ
̣
i y
́
vê
̀
sư
̉
du
̣
ng CNTT:
Trang 5
Mô pho
̉
ng chuyê
̉
n đô
̣
ng cu
̉
a 2 vâ
̣
t đuô
̉
i nhau, đê
́
n gă
̣
p nhau va
̀
đô
̀
thi
̣
to
̣
a đô
̣
– thơ
̀
i
gian cu
̉
a chu
́
ng.
)
4
&
56
7
)
)89:;<=&5%26'
>)+'?@-A%BC'.DGl%26'
L3="9$8;:
LA(AO O"GE""#\$< 8"U"*v
L%#B"B"@< 8B[
E)C2BC'&5%26'
Lwp")"@<"D"Y="Z"<";M!])+D"Y4x9
<"vC(\*G!Y0F9<"vC$8;:78"[89
9"(-D"Y$89<"vC:
2%
-9F
GIJK;9"J9<fJ F"W
"I"J" 8"\<";
'%
23', 2
.L' P'cN
> 8*#"G94y
!eAABJ
9< f
JW
:J9<
:`fJ F"W
"I"J"
: 3 [" "\ < "
;c$Y*1
> H#
2."
#
"
"
#
"
"
z
*#
" #
"
"
"
"
L
5^
ttt
−=
L
5^
xxs
−=
L
t
s
v
tb
=
L+FA
B "\ < "
; 8 9
"vC
)NO?9P-h9iN
+I 4y P <" =" 9 9
<""ei(C!$8
C9<
L@"J9
5
t
F"
5
M
P
5
x
L@"J9
^
t
F"
^
M
P
^
x
J9<
5^
ttt
−=
`f J F" W "
I"J"
5^
xxs
−=
)\.9P-ANBj
Trang 6
> QO{"\<
";
> H]"I$J35
LI$J35
\<";E<"9
<["b<F
E9<
"
k
t
s
Q O|4|
2%
-9F
>GIJK;99<"vC 8(#!
"
"
")
C
'%
23', 2
.L' P'cN
> 8 *# "G A
B39<"v
C
> H#
(
"
")
" #
"
> Q
.+/$#
*"
"
!
")
>
*# "
"
(
"
" #
"
"
"
"
"
"
>
*# "
L ; 9 A
B
L
tvtvs
tb
==
L 7
(# !
*
"
"
#
"
>)NO?9P-h9iN
39<"vCPK@
$8J"v 8P"\<"
; " D f
J
E)_ 9' -A2 .NO? 9P
-h9iN
tvtvs
tb
==
9 < "v C
fJ4"hB"F Y"J
9<"
)I -Aj 3C 9^ -: .Y%
.NO?9P-h9iN
)I-Aj.Y%.NO?
9P-h9iN
Trang 7
*"
> 7#
!
"
*
!#
(
R
L+
"
"
#
(
R
#
"
#
!#
% "; E 9 <
"vC
sxx
+=
R
k(
r "
2%
-9F
EGIJK
"
"
s"
'%
23', 2
.L' P'cN
>H]$F*I 8 x
q"O"D<>"E*"
(klr5R"
>32.$8 BP
> #
(-
"
"
"
L7
$F* I 8 -
"
"
s "
L#
(-
"!
"
")
>)F
&
-'
-2
%9F
7-
&
''%.Y%
.NO?9P-h9iN
L7F*I&("'
"&' R 5 ^ j n l S
(
&'
l 5l ^l jl nl ll Sl
L0xq"O
L Qq"O "D < > "J E
9 < "v C $8 <"
J"v9!}4M*e"<
E"@< F" 8"J
)Y.\bcdce&1%26'
>Q
")
U9E
")
>0
"
!
*"
")
>3A x
"
"
s"
E9<"vC
> ,
"
"
)
*
#
"
"
"
"
"
> 0-
> 2
!#
"*"
"
#
"
"
"
"
"
"
>#
#
"
)
*"
(
5
k(
^
"
>788"F*.+/ 8(-"Y8Y
Trang 8
#>Ekl
$%
&
'EG>-',
-K
!
g
!
$
!
&
) "
*+',
-
.
− 0
"
"
-
-"
!
#
"
"
"
z
$
#
"$
"
"
−
")
!#
#
!#
− 0
"
*"
#
"
9<!#
8#
!#
$
#
"$
"*"
"
"
!#
#
"
"
"
− 0
"
"
"
)
*
$
"
"9<!#
8#
!#
− 0
"
"
"
*"
9
<!#
8#
!#
!#
$
"
"
*"
− ,#!
"
"
"
"- #
"
"9
<!#
8#
!#
*+/
0
1
+
"#
*
9<!#
8#
!#
)
!
$
*'%
23',
3#
~>"
")
!
+T
"
!
5
+T
"
5)
+T
"
#
#&2)
4
'
*2
.L'
u$
"
")
Trang 9
)
4
&
56
7
)89:;<=&5%26'
>)+'?@-A%BC'.DGl%26'
> 39<"vC$8;:\D";$8;:
>0[""b"G F"\J 8*";9<E9<
"vC:
E)C2BC'&5%26'
L39<"vCP F"\";"NPX
9<8 F"\$[NP$89<;:2"";9
9<8
G',
-K
2T-9PGmIJK;9AB F"\"b"J39<"v
[NC
'%
23', 2
.L' P'cN
>
*#"
$
#
"
"
"
-" #
"
"
"
> 28 "8 ]
35 83^
L+#
$
#
"
"
"
! -" #
"
"
"
L
$
35RR5
3^0F"\"b"JE
" "I $8 jR| "-
Y#>Q
m)Z -\. -n. -_') NO?
9P-hB'a9o'9iN
)P;<.Y%3Z-\.-n.-_'
+I4y"I"J="
? F"W<"@J
="?
Q@$W k
t
s
∆
∆
D$8 F"\
"b"J
^ p.-3Z-\.-n.-_'
0-" F"\"b"JE<"
F""@<"9$8<" -"P
\"@ F"9<PY
E F"9< 8P<!8
"h$B Y<$YE F"\"b
"J"-<""h$B(G8P
E)NO? 9P-hB'a9o'
9iN
Trang 10
>
*#"
9 <
!#
8#
!#
L+ #
9 <
!#
8#
!#
9<"v[N
C<$YE F"\"b"J
U ") C U I C
"-"
39<"v&F'
!]C$89<"vP
< $YE F"\")&I'
C"-"
2%
-9F
>GlIJKb9<"v!]C
'%
23', 2
.L' P'cN
> +
9 <
"v!]C
#
"
")
"-
"
>
*#"
"
> 3
"
$
$
-"
(
"-
"
-" #
"
>,AO -""\
L,
"
#
"
"
"
"
" 9
< "v !]
C
L+#
"
L•
! -""
)NO? 9P -h %
cq9iN)
) '% -\. .Y% .NO? 9P
-h%cq9iN)
%)+V'']@'%-\.
+"\E9<$8@
$(A O _ " 4\
X<["E F"\ 8
I" F"\["
k
t
v
∆
∆
Q O"\$8|4
^
B)p.-'%-\.
R
R
tt
vv
t
v
a
−
−
=
Λ
Λ
=
/ F"9<"v
!]C -""\P\c
F"9<P* 8
C"p Y* 8C
E -" F"\ 8P<!8"h
$B YE<$YE"\"-
<""h$B(G8P
Trang 11
2%
-9F
EGrIJK,#!
#
!
"
"9<"v
!]C
'%
23', 2
.L' P'cN
*#"
"
(
#
"
" "
9 < "v
!]C
> H ] 8 "8
3j3n
> H#
-
"
#
"
s "
9 < "v
!]C
> +
-
"
9<
"vC
L,# !
"
"
#
"
9
< "v !]
C
L
$
3j
'|&lRj smtv
+=
L3nRS|4
^
L . 4A Y 9
<"vC
^Z-\.-A25
3"b"G F"\
Lo"b
R
R
tt
vv
a
−
−
=
3D
R
R
=
t
"4
k
R
r"
B)s9^-:3Z-\.k-_''%
Qq "O $8 J "v !\ $
9!}4M")E F"\
"-"J"
> 2%
-9F
lGHIJK3"bJ"<"v!]C 8\
$B F"\"\ 8fJ
>
'%
23', 2
.L' P'cN
> 8*#"G E)F-n.-X9_9'.Y%
Trang 12