លំហាត់លីមីត
( ដកស្រង់ចេញពីឯកសារបរចេរ )
1)
3
33
4
sin cos cos sin 2
lim ln tan cos2 6
x
x x x x
xx
2)
4
34
034
1 1 1 1
23
lim 34 8 1
2
x
xx
xx
x x x
3)
4
33
0
cos3 3cos ln 1
cos2 1 3
24
lim
x
x x x
xx
x
4)
2
4
2
0
cos 2 2 1 2 4
lim
x
x x x x
x
5)
4
2 3 2
2
0
3 2 2cos 2 2 4 1 2
lim
x
x x x x x x
x
6)
3
2
0
1 52 ln 1 1 3
lim 3
x
x x x x
x
7)
2
2
1
arcsin 1
lim 2
arcsin
x
x
xx
8)
2
2
1
arctan 6 5 2
lim 3
arcsin 4 5
x
xx
xx
9)
2
0
ln 1 ln 1
lim 1
ln 1 ln 1
x
xx
x
10)
ln
lim 0
ln
n
n
n
n
n
