8.126.
C
x
x
x
x
x
96
24
ln
6
ln
ln
2
2
8.127.
C
x
x
x
8
9
ln
2
3
ln
4
3
2
3
/
4
8.128.
C
x
tgx
x
1
sec
ln
8.129.
C
chx
xshx
8.130.
8.131.
8.132.
C
x
x
x
7
3
cos
9
1
7
3
sin
3
2
8.133.
C
x
x
x
x
x
cos
2
1
sin
1
2
2
8.134.
C
x
x
x
arctgx
x
x
x
1
ln
2
3
2
3
5
3
2
2
2
3
8.135.
C
x
x
x
x
x
2
2
1
4
8
arcsin
4
1
8
2
8.136.
C
x
x
e
x
2
sin
2
2
cos
3
13
3
8.137.
C
x
x
x
x
x
x
x
3
2
3
2
9
1
4
3
ln
3
2
3
8.138.
C
x
x
x
x
x
x
x
x
x
x
x
2
4
32
ln
2
2
8
ln
2
4
2
4
2
4
2
2
4
8.139.
C
x
x
3
/
5
1
ln
24
1
8.130.
C
x
arctg
4
1
4
1
8.131.
C
x
x
x
25
8
4
ln
2
8.132.
C
x
2
1
arcsin
8.133.
C
x
arctg
3
2
2
8.134.
C
x
x
13
4
ln
2
1
2
8.135.
C
x
arctg
x
x
2
1
2
1
5
2
ln
2
2
8.136.
C
x
x
x
x
x
2
15
6
3
ln
2
4
15
12
2
2
3
2
2
8.137.
C
e
arctg
x
5
1
5
1
8.138.
C
x
x
x
x
x
11
6
3
ln
3
1
6
2
2
8.139.
C
x
x
x
3
2
arcsin
3
4
5
2
2
8.140.
C
x
x
x
1
2
arcsin
4
6
2
8.141.
C
x
x
x
x
5
4
5
4
ln
2
1
2
8.142.
C
x
x
2
1
8.144.
C
x
x
x
x
x
2
ln
2
1
2
2
1
2
8.145.
C
arctgx
x
x
x
x
8
3
1
8
3
1
4
2
2
2
8.146.
C
x
arctg
x
x
x
31
3
4
31
31
6
5
3
2
31
10
3
2
8.147.
а
)
Integral ostidagi ifodani quyidagicha yozamiz.
;
1
1
1
1
1
3
2
2
1
2
2
x
A
x
A
x
A
x
x
x
yoki
.
1
1
1
1
1
1
1
2
2
3
2
2
1
2
2
x
x
x
A
x
A
x
A
x
x
x
Oxirgi
tenglikdan
.
1
1
1
2
3
2
2
1
2
x
A
x
A
x
A
x
Faraz qilamiz,
1
x
bo’lsa,
2
/
1
2
A
va
1
x
ga teng bo’lsa,
4
1
3
A
. Agar
0
x
bo’lsa,
3
2
1
A
A
A
o
.
C
x
x
e
x
11
22
6
4
2
2
C
x
x
e
x
38
21
9
27
2
1
3
.
1
ln
4
1
1
2
1
1
ln
4
3
1
1
4
1
1
1
2
1
1
1
4
3
1
1
2
2
2
C
x
x
x
dx
x
x
x
x
x
dx
x
b
)
Integral ostidagi ifodani quyidagicha yozamiz:
.
1
1
1
1
1
2
1
1
1
2
x
x
N
x
m
x
A
x
x
x
Bu kasrli ifodadan quyidagi tenglikni olamiz:
.
1
1
1
1
1
2
1
x
N
x
M
x
x
A
Agar
1
x
bo’lsa,
1
1
A
;
0
x
bo’lsa,
1
1
1
N
A
ekanligidan
0
1
N
bo’ladi. Agar
1
x
bo’lsa,
,
2
3
1
1
1
1
N
M
A
bu yerdan
1
1
M
.
U holda
.
1
1
1
1
2
2
x
x
dx
x
dx
x
x
dx
Ikkinchi
integralning maxraji
4
3
2
1
1
2
2
x
x
x
- ko’rinishga keladi.
Agar
2
1
x
t
deb olsak,
2
1
,
t
x
dx
dt
va
.
3
1
2
3
3
1
2
1
1
ln
3
1
2
3
3
4
3
2
1
1
ln
3
2
3
1
4
3
4
3
2
1
1
ln
4
3
2
1
4
3
1
ln
4
3
2
1
1
1
1
1
2
2
2
2
2
2
2
2
2
C
x
arctg
x
x
x
C
x
arctg
t
x
t
arctg
t
t
d
x
t
dt
t
tdt
x
dt
t
t
x
x
d
x
x
x
dx
8.148.
а
)
C
x
x
1
3
ln
2
1
b)
C
x
x
3
ln
3
2
ln
2
5
1
8.149.
C
x
x
4
ln
2
1
1
8.150.
C
x
x
x
x
4
5
ln
40
4
16
5
25
8.151.
C
x
x
x
2
3
ln
6
8.152.
C
x
x
x
1
ln
1
1
8.153.
C
x
x
2
2
1
ln
2
1
8.154.
C
x
arctg
x
x
2
2
1
4
1
ln
2
1
2
8.155.
C
x
x
x
arctg
x
x
x
x
1
ln
2
1
3
1
2
3
3
5
1
3
2
1
ln
2
2
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