4 X2 + X . 2X2+1+ 3 . 2X2 > X2. 2X2 + 8 X + 12+−+231LOG(X()LOGX1...

1/ - DE THI THU DAI HOC 9
DE THI THU DAI HOC 9

1/ 4 x

2

+ x . 2

x

2

+1

+ 3 . 2

x

2

> x

2

. 2

x

2

+ 8 x + 12

+

−

23

1

log

(

x

)