1. 1
ESCUELA SUPERIOR POLITCNICA DEL LITORAL
CLCULO INTEGRAL ING. ROBERTO CASCANTE
TAREA #1
LA INTEGRAL INDEFINIDA
Determine las siguientes integrales:
INTEGRALES INMEDIATAS
1. x x dx
4
2 5
2. 駕1 x1 2x1 3xdx
3. dx
x
x
2
1
件
э
4. dx
x
a
x
a
x
a
3
3
2
2
5.
dx
x
x x
4
3 2 2 1
6.
dx
x x
x
3
3 1
7. 件
э
x xdx
x2
1
1
8.
dx
x
x x
4
2 2
1
1 1
9. dx x
x x
10
2 5 1 1
10.
dx
e
e
x
x
1
1 3
INTEGRACIN POR SUSTITUCIN
1.
dx
x a
1
2. 駕 x dx 10 2 3
3.
2
5
5x 2
dx
4. 2 2 3x
dx
5.
3 2 2 x
dx
6. x
dx
1 cos
7.
2 1 x
x dx
8. x x dx 2 3 3 1
9. x ln x ln(ln x)
dx
10. dx
senx x
senx x
3 cos
cos
11.
dx
a sen x b x
senx x
2 2 2 2 cos
cos
2. 2
12. 2 4 sen x ctgx
dx
13.
2 2 arcsenx 1 x
dx
14. dx
x
x x
2
2
1
ln 1
15.
dx x x
x x
9 4
2 .3
INTEGRACIN POR PARTES
1. x x dx
2
2 2 2 3
2.
x x dx 10 1
3.
dx
x
x
100
2
1
4.
x 1 x 1
dx
5. xdx ln
6. xe dx x
7. xdx xcos
8. xarctgxdx
9. x x dx 2 ln 1
10.
dx
x
x
x
1
1
ln
11.
dx
x
earctgx
2
3
2 1
12.
dx
sen x
senx
2
ln( )
13. dx e x
14.
dx
x
xex
2 1
15.
sen(ln x)dx
INTEGRALES TRIGONOMTRICAS
1. dx 5 cos
2. sen xdx 6
3. sen x xdx 2 4 cos
4. sen x xdx 4 5 cos
5. dx
x
sen x
4
3
cos
6. dx
sen x
x
3
4 cos
7. senx x
dx
4 cos
8. xdx 5 tan
3. 3
9. xdx 6 cot
10. sen5x cos xdx
11. cos x cos 2x cos3xdx
12. dx
x
2
sec6
13. x xdx 3 3 tan sec
14. tan 2xsec 2xdx 5 2
INTEGRACIN POR SUSTITUCIN TRIGONOMTRICA
1. dx
x
x
2
2
16
2.
dx
x
x 16 2
3. x x dx 2 7 6
4.
dx
x
2
3
2 25
1
5. dx
x
x
4
2 4 9
6. dx
x x
2 4
1
7. dx
x x
x
4 8 2
8. dx
x x
x
6 5 2
9. dx
a x
a x
INTEGRACIN POR DESCOMPOSICIN EN FRACCIONES PARCIALES
1. dx
x 1
1
2
2. dx
x 4 9
1
2
3. dx
x x 2
3
2
4. dx
x x
x
2 1
5
2
5. dx
x x
x x
3
2 3 7 2
6. dx
x x
x x
2
3
2
3
7. dx
x x
x x x
2 8
2 4 15 5
2
3 2
8. dx
x x x
x x
3
4 7
3 2
2
4. 4
9. dx
x x x
x x
3 2
2
2
5 20 6
10. dx
x x
x x
4 4
8 13
4 2
3
11. dx
sen x senx
x
2
3cos
2
12.
dx
x x
x
tan tan 1
sec2
13. dx
e e
e
x x
x
1 4
14. dx
e e
e
x x
x
1 1 2
15. dx
e e e
dx
x x x
1 2 3 6
INTEGRACIN POR SUSTITUCIN UNIVERSAL
1. 2senx cos x 5
dx
2. dx
senx x
senx x
cos
cos
3.
x senx
dx
2 cos
4. x x
dx
cot csc
5. sen x x
dx
4 4 cos
6. senx x
dx
tan
7. dx
senx x
sen x
2cos
2