KYè THI TUYỉN VAèO LẽP 10 CHUYN THPT L QUYẽ N
HặẽNG DN CHM ệ Dặ Bậ MN TOAẽN (Khoùa
9/7/2004)
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Baỡi 1: (2,5 õióứm)
a/ ióửu kióỷn õóứ A coù nghộa:


















4a
1a
0a
a
022
01a


A :
( )
( )( )
( ) ( )
[ ]
4a1a
1a2a
1aa
1


ì

=
.
a3
2a
3
2a
a
1

=

ì=
Baỡi 2: (2,0 õióứm)
ỷt
t3zt7yt5x
3
z