bat phuong trinh
giai cac bat phuong trinh sau1/
$(x^2-2x+3).(x^2+4x-5)>0
$2/
$|x-4|<x^
2+x+1
$3/
$1/(x+1) >1/x
$4/
$2|x|+|x-1|<5
$5/
$4x^2-2(2x+1)+3
\l
eq 0
$6/
$x(x+2)^2.(x+4)
\l
eq 5
$7/
$x^3-2x^2-x+2>0
$
Bất phương trình
bat phuong trinh
giai cac bat phuong trinh sau1/ (x^2-2x+3).(x^2+4x-5)>02/ |x-4|<x^+x+13/ 1/(x+1) >1/x4/ 2|x|+|x-1|<55/ 4x^2-2(2x+1)+3
&l
t;=06/ x(x+2)^2.(x+4)
&l
t;=57/ x^3-2x^2-x+2>0
Bất phương trình
bat phuong trinh
giai cac bat phuong trinh sau1/
$(x^2-2x+3).(x^2+4x-5)>0
$2/
$|x-4|<x^
2+x+1
$3/
$1/(x+1) >1/x
$4/
$2|x|+|x-1|<5
$5/
$4x^2-2(2x+1)+3
\l
eq 0
$6/
$x(x+2)^2.(x+4)
\l
eq 5
$7/
$x^3-2x^2-x+2>0
$
Bất phương trình