Created by T. Madas
Question 5
Integrate the following expressions with respect to x .
a)
∫
b)
∫
1 2
3
− 2 dx
x x 4x
c)
∫
7 6
5
4x 2 2 −
dx
x
x
48 x 2 − 5 x 4 + C
5
d)
∫
5
2 x + x 2 dx
x
20 x 2 + 4 x 2 + C
7
e)
∫
x
(
)
x + x −4 dx
2 7 x3 − 5 x 2
dx
3
x
4
2
x
5
2 x 2 − 1 x −2 + C
5
2
−4 x
− 12
+1x
2
− 32
+C
5
1
3
7
7 x 2 − 5 x 12 + C
3
Created by T. Madas
Created by T. Madas
Question 6
Integrate the following expressions with respect to x .
a)
∫
(
∫
∫
( 2 x − 1)( 2 x − 3) dx
3
2x 2
1+ 2 x
b)
c)
d)
e)
∫
1
4 32
−1
x − 8 x 2 − 3x 2 + C
3
)
2 x3
2
1
4 −3
− x −2 − x 2 − 2 x −1 + C
4
3
dx
2x3 + x3
dx
x
4 72 1 2
x + x +C
7
2
(1 + x )(3 − x ) dx
4 −5 1
− x −3 − x 2 + x −2 + C
5
2
∫
x4
2 x 12 + x − 12 x 32 − 2 x − 12
dx
3x5
1
1
1
2
− x −2 + x −4 − x −3 + x −5 + C
3
3
9
15
Created by T. Madas
Created by T. Madas
Question 7
Evaluate the following integrals.
a)
∫
4
∫
2
∫
2
∫
3
1
b)
2
dx
x
4 x3 + 5 +
1
c)
3x 2 − 1 −
1
d)
1
4
2
x2
4
x2
dx
21
dx
4
x 1
+
dx
3 x2
2
2
e)
∫ ( x − )( x − ) dx
2
1 3
4
2
0
Created by T. Madas