1.
Solve
= 3.
A.
1
B.
3
C.
2, 3
D.
2
Hint
2.
Decompose
into partial fractions.
A.
B.
C.
D.
Hint
3.
Solve
> 0.
A.
2 <
x
< 0 or
x
< 1
B.
2 <
x
< 0 or
x
> 2
C.
1 <
x
< 0 or
x
> 2
D.
1 <
x
< 0 or
x
> 1
Hint
4.
Solve
+
<
.
A.
a
< 0 or 0 <
a
< 5
B.
0 <
a
< 5
C.
a
< 0 or
a
> 5
D.
a
> 0 or 0 <
a
< 5
Hint
5.
Solve

x
+ 1 = 0.
A.
1, 2
B.
1, 2
C.
1, 2
D.
1, 2
Hint