len)'
(a)
22
(In(u))'
R
-
logab
loga
=
=
E) at
b()a
loga(u")
=
=
=
10b
nlogak
In a
u
na
llogalul)" =
na
nho dao ham xuong
c
.
llogaul =
Yogaa
u
a"
u In
1
=
.
(logu) =
10
10
=
(In (21)
u
=
e"
.
(Inu) =
1
=
Clogy)
(a4)
a ?. In a
=
(Ina
(e) = u
ea
=
=
b
I
log(ab)
log(b)
loga + logb
=
=
log(ah)
=
loga-logb
nloga
·
(ka)
k
=
g
(a) =
(a)
1
=
Isina)'
25R
LOSI
=
Icosal =
It an as
=
(20+ a)
=
-
since
1 + tant
-
-
( + cot a
1
S
sin(ua) special
=
-
(a) Er
=
(e)
e
=
wal =
=
a
.
U
a
!!!
-
1
.
(M) =
(a)
(a + 0)
U
a
=
Insul
2AB
+ B)2
B2
(A
=
+
A
+ B)
3AB(A
BP
+
=
B
JA
A +
-
-
Nat
a b =
.
=
= (a)
a
=
a
-
1)
ing han
in
nhan
at-b2
27
Bien
T
Khuman
~
T
devedang
a
=>
-
b2
=
b) (a+
(a-
: =r =
E 1
+ -) (2) + 1
+
b) :
-
- +1
=
2+
1
3
I
It
=
B
=
Tim Sothudytheo
>
-
B-
go gina &
vector
I
: l
cost
Intl
:
F
181 Cul 181 E
+
+
.
.
Tich vo hung
.
=
aba + ayby + azbz
Khong gian
Schien-ruong goz
>
-
4A + 4B
Bat dang this 2 si
·
lan
+
any +
n + y2 + 22
·
Tim
min
smax =
# dai vector
=
tata.
+y 2
ag21
+
R
& max
theo
Mutat-
cosi
>
Smin
=
- Smax
ty
>
-
PA PB
.
=
0
a
Tich co hung
=
/a)
=
labz-asbe ; abe-abs ; ab- ab
Tich zohung Khong hon vi
=
[. =
Sa
=
-
-
B
15 ; )
phap tuyen
1 ; 5)
cua mp :
an +
by + c =
d
.
khong each t
1 diem
Ala ; Yo ; 20)
denmat phang
+ Byo+ 220 + D/
d = /Aro
m
A2 + B2 + c2
/
Phan bist tich wo hung
+ Tich vhnng ( 5)
tich cohuong
.
·
ge giva 2 rector
Debi ho :
S
·
·
Kien tra unng goz
Tinh chien cua 1 vector len vector Kha (t dai hinh chien
S
↓
Tick chung
·
·
·
(a)
Debi yeu can vector phaptryn cha matphang
Tirh Suon
1
So
is 2 rector
Xac dink hung unong go v ca2 vector
.