X 2 23X 2 X 7 5LIM X 13 2 3X 2 X 1    LIM X 2LIM X 1X 1 2X...

4. - TRAC NGHIEM
TRAC NGHIEM
4.

x

2

2

3

x 2

x 7 5

lim

x 1

3

2

3

x

2 x 1

 

 

lim

x 2

lim

x 1

x 1

2

x 1

x

0

9.

x

2

8.