Post on 19-Jul-2015
4
1
1
1limx
x
x
2 4
4
12limx
x
x x
22
2
4limx
x
x
2
223
3 2
3 4 4lim
x
x x
x x
2
2
4 4
2lim
x
x x
x
2
2 4
9 20
3 4limx
x x
x x
2
2 2
2limx
x
x
2 3
3
7 4lim
x
x
x
2
0
1 1limx
x
x
0
9 3
16 4limx
x
x
2 2
limx a
b x b a
x a