Ngày tải lên :
29/07/2014, 07:20
... a
1
=(1, 2, 2, −8, 2) , a
2
=(1, 2, 1, 5, 3), a
3
=(1, 2, 4, 7, 0).
(D
S. r =3,hˆe
.
dˆo
.
clˆa
.
p tuyˆe
´
n t´ınh)
2) a
1
= (2, 3, 1, −1), a
2
=(3, 1, 4, 2) , a
3
=(1, 2, 3, −1),
a
4
=(1, −4, 7, ... a
1
=(1, 2, 3, 4), a
2
=(1, 2, 3, 4). (DS. Pttt)
2) a
1
=(1, 2, 3, 4), a
2
=(1, 2, −3, −4). (DS. Pttt)
3) a
1
=(1, 2, 3, 4), a
2
=(3, 6, 9, 12) . (DS. Pttt)
4) a
1
=(1, 2, 3, 4), (a
2
=(1, 2, 3, ... triˆe
’
n vecto
.
x =( 2, −4, 2) theo co
.
so
.
’
E
1
, E
2
, E
3
ta d˘a
.
t
x = λ
1
E
1
+ λ
2
E
2
+ λ
3
E
3
v`a t`u
.
d´o
2
1
+ λ
2
− 2
3
= 2,
λ
1
+3λ
2
+ λ
3
= −4,
λ
1
+ λ
2
+3λ
3
=2.
Hˆe
.
n`ay...