1
2
1
2
5
dx
x
x
−
+
+
∫
8 2
2
2
1
1
–1
2
x
e dx
x
x






∫
Choose the correct answer in Exercises 9 and 10 9 The value of the integral 
3 31
1
1
4
3
(
)
x
x
dx
−x
∫
 is
(A) 6
(B) 0
(C) 3
(D) 4
10