Xem mẫu
- $t
ert,*)'
t*'\ 1
=
Qt til
)5,*\'t ,-1,;13
,-".4
'l
TRIJONG DHSP TP. HCM .
Hqc phan : Dai s6 2 .::
j
vAr rY
KHoA 'I
FIqc kj' 2, ndm hoc 2006 _ 2007
Lop Cri nhdn vat ly l-\ l
De thi chfnh thric
phrit nr '!\i-::
I
Thdi gian: 90
rl
r..i;;,;{-
.
q
cffu l: Nhfn dang vd bi6u di6n ducrng bdc 2 c6 phuong trinh:
+26xy+5y, _3ali.x _zJi.y_86 = 0
x2
5
trong hQ tga dQ EA-cdc vu6ng g6c Oxy.
(!y9) vtti )F
CAu 2: Xdt hc tea dQ parabolic
A6
C L-Y
fx=ft1cosQ
y= {rTsinQ
)
=;{,'-,')
l,
€ .0,
trong d6 0, 0< Q
a. chring minh h6 tga d6 parabolic (€,n,d)tryc giao
riq
b' .,i: r'e
'@4,d,sn* ,i utpbeq -tErnatsrrarretp d6.:
Jaraholic
;-
c. vict uieu *fr"6A^,@i.ong he tea dQ parabolic crrra trudng v6
hudng a vitvects 7
cffu 3: ?inh nghia vd dua ra mQt s6 vi du v6 tenxo hiQp bi€n
vd phan bi6n
hang nh6t.
^ Cdu 4:
O (r u b,)
*r.# #
a) chtmgminhtOphqpcdcmatr6nv'6n gcepl codpng:l
*,**'* %
o t cl
-[o o
,)
b
sL(3,R). b oo
l0p thdnh m6t nh6m con (nh6m Heisenbe rg Hr)
cua nh6m
,
.
*
,
Y
" 3Jf L"ffii'*ffi?,o;;:i,',tT,'1, Ifi ilThH riliTf uu';
ft
Ghi chri: - Sinh vi6n kh6ng tluqc sfr dgng tii liQu
,r
a
qt{-&f
13
t' {
nguon tai.lieu . vn
