ĐỀ THI THỬ ĐẠI HỌC LẦN 4 NĂM 2011 MÔN: TOÁN, KHỐI A - TRƯỜNG THPT ĐÀO DUY TỪ ppsx

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tich
phAn:
ft
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' rl+cosr
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IV:
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hinh
chop
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co
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ABCD
lA
hinh
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dulng
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mqi
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ui
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sau
lufin
co
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mtNC
(
rgi SINH
CHi
LAIVI
MQT
TRONG
HAI
PHAN
A
HOAC
B
)
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chuong trinh
chuAn:
CAuVIa:
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j

'
l) Tinh diQn tich
tanr
gi6c
dAu
nQi
tii5p
elip
(E),
;+'r-
=
i. nhan
dii5m
A
(u;2)
la
dinh
i,ir trpc turig
lirm
truc ddi xirng.
.
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kh6ng
gian voi h0
uuc
tga
dQ
oxyz,
tim
ba di6m

M,
N, P
lan
lugt
thu0c
c6c
rJucrng
thing:
(d,)
+
='='
=+,
(dr)
+
=*=+t
tor)
i
=+=+
sao
cho
M'
1 2
-)'
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2
7
-1'
2
1
i

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P
thang hAng,
dOng
thoi N lir
trung
di6m
ciia doan
flrang
MP'
Ciu
VII a:
.lnx1
Cho
x
>
0, x *1.
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rang:
,_l.G'
B"
Theo
chucrng
trinh
ning
cao
Ciu
VI b:
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di€n rich

tam
gi6c
dAu
nQi
ti0p
paraboi
(P):
1p
:2x,
nhan
dinh
ctra
parabol
ldm
mQt
dinh
vir
tryc hoanh
Ox
ldm trgc ddi
ximg.'
2)
Trong
khOng
gian
voi
h0
truc
tga
dQOxyz:

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khoang crlch
gita
hai duong
thdng:
I x
=2-I
(o,l?
=+:-i,^
o',
1r-::t*,
l.! -
r
b)
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goc gitadudrng therrg
(dr)
+
=+=+
voi m{tphang
(a):x+y-z+Z:0'
\r'
4 |
-2
Cfru
VII b:
Gi6su
u1v.
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thi coi
thi
khdng
gi6i
thich
gi
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e
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s0
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i

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e
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r
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2
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c
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D
(1;o).
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c6ch
gita

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ohinh
ld
chiAu
cao
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diQn
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li:
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1
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ong
duong
v6i:
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a xa
>
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x
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I
1
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i
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XV
r
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x;
in(l
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inx)
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:
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*
[i
ror
r
ln(l
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fn(f
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x)dx.
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nrSu
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'
Jo
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lr
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fi
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t,
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l+
:>
I
:
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t'
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ffiacdi6md6i
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C
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B
vd
qua
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C
F
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le
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ctiam
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qua
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ta
ph6i
tinh
ti
T/
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ly
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m
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;
2"+2'-2"),
N
(2b+2
;
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P
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;
c
;
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M thudc
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c6 tqa d0
M
(a+l
Ba di6m
M,

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hdng
khi
m
trung
diiim
MP,
tatim
dugc
M
( -14
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cing
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vot
MP.
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dgng
gin
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N ld
11
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ban
dAu
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e
f
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I
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c5:
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z
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x
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x+
i.>zJ;=.f
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trom
[r;+o)
+
f(x)
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f(1)
:
0
khi

x
)
1
:)
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d$ng
thirc
(*)
CAU
Vla
Ggi
B,
C
ld
hai dinh
cdn
lai crla
tam
gi6c
dAu
thi
B
(
-m; n)'
C
(m;
n)'
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gi6c
ABC

dAu
nQi
ti6p
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(E)
khi
vd
chi
khi:
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*!'
=l
lntz
+4n'
=16
i16
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€j
l'-
^
+4
l3m'=n'-4n+4
l4nt'
:
nt'+n'-4n
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tr€n
tim
du-o.c
:

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vi
A=
B
=C),
tt d6
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ta c6

f
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o;
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