Các bài tích phân trong đề thi ĐH CĐ - Pdf 31

§Ò tuyÓn sinh míi
π /4



1.

0

1 − 2sin 2 x
dx
1 + sin 2 x

(§HBO3)

2

2.

x
dx
3. ∫
x −1
1 1+

(§H AO4)

4.


0

1 + 3cos x

(§HBO5)

π /2

8.

2

(§HAO6)

0

(§HBO6)

12.

x
8

− 2x

4

π /2

(C§SPHT 02)
(C§SP NT02)



xtg 2 x dx

dx

(C§SP BN04)

∫ ( x + 2 − x − 2 )dx



(C§KTKTHD02)

∫x

2

− 2 x + 1 dx

(C§DD 04)
(C§SP HP04)

2dx
x+5 +4

x5 + 2x3

(C§SP HN04)

 x −1 

(C§SP HN 04)
(C§GT 04)

−3

−1

ln 2 x dx

x3 +1
∫1 x ln xdx

1

(C§SP BP 04)

0

5

4

2

dx

π

31.


18.

0



∫ cos

1

3
2
∫ x 1 + x dx

π /4

(C§SPVP 02)

e

7

9

23.

∫ sin x sin 2 x sin 3x dx
0

3


17.

∫ (e
1

dx

cos 2 x(sin 4 x + cos 4 x) dx

3

15.

(§HBO3)

− x dx

0

cos x + 4sin x

ln 5

11.

(§HBO5)

sin 2 x
2

π /2

∫x

28.



1+ x
dx
x

(C§SP HN 04)

2

x 2e x
dx
30. ∫
( x + 2) 2
0

(C§GT 04)

1

(C§GT 04)

2
2x



0

(C§LK 04)

36.

43.

(C§ A04)

38.



sin 2004 x
dx
sin 2004 x + cos 2004 x

(C§ §N 04)

42.

2

1 − x 2 dx

5


(C§SP HCM05)



(C§SP VL 05)

sin xdx

∫ x ln x dx

x
2

(C§SP ST 05)

54.


0

π /3

56.


0

x3 + 2x 2 + 4x + 9
dx
∫0

x .cos x dx

(C§CN 05)

0

1

(C§SPHN 05)

60.

xdx

∫ (x + 1)

(C§TC 05)

3

0

π /2

e

dx
61. ∫
2
1 x 1 − ln x

dx
3x + 1

sin 2 x + 2 cos x cos 2

52.

e

57.

3x

(C§ XD 05)

e

dx
+ 2x + 4

π /2



∫e
0

∫x
0


−1
π /2

3

51.

xdx

∫ (x + 1)
0

(C§ A05)

x + 3 dx

3

(C§TCKT 04)

0

49.

sin x

∫ 1 + 3cos x dx

π /2



1

45.

1 + x dx

π /2

40.



0

∫x
2

sin 2 x
dx
cos x + 1

0
π /2

(C§ KTKT CN04)

−1

3

0

4sin 3 x
dx
1 + cos x

1

(C§ §N05)

64.

∫ x( e
0

2x

(C§SP KT05)

)

+ 3 x − 1 dx

(C§SP QN05)


ln 2

1


(C§TCKT 06)

∫ ( x − 1) cos x dx

π /4

76.

0

ex + 2

0

π /2

79.


0

3

81.



−1

3

88.

e

93.

90.



2 + x 3 dx

92.



1 + cos 3 x sin x cos 5 x dx

3

1 − x 2 dx

3 x
∫ x e dx
2

0

3



e x dx



1

x +1
∫1 x . ln x.dx

ln 3

2

0

ln 8

95.

∫x

1 − x dx

0

2

x


dx
cos 2 x


0

0

91.



4sin 4 x
dx
1 + cos x

π /4

86.

87. ∫ x(e 2 x + 3 x + 1)dx

(C§SP HD06)
(C§ §D 06)

ln 3

x3
dx
85. ∫ 2

π /4



0

dx

cos x dx
7 − 5sin x − cos 2 x

−1
π /4

(C§CN 06)
(C§NL 06)

π /2

e2x



)dx

x 2 + 1 dx

0

0

1

(C§CKLK 06)

xdx

∫ 1+ x

dx

0

ln(1 + x)
dx
69. ∫
x2
1
71.

( x + 1) 2

3

1

x
(1 + tgx tg )sin xdx
2

2

∫5 x − 2 x − 1

102.

2

xdx

(§H D 07)

104.

1

π

sin  x − ÷dx
4
105.
(§H B08)

∫0 sin 2 x + 2 ( 1 + sin x + cos x )
π
4

∫x
1

e


3 − 2 ln x
dx
1 + 2 ln x

π
6

tg 4 x
∫0 cos 2 x dx ( §H A08 )

2

105.

ln x
dx
x3
1



( §H D08 )




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