Test:
Complex Numbers I - Ambitious
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Question 1:
Solve:
(
7
+
5
i
)
−
(
2
+
3
i
)
A
7
B
5
+
2
i
C
5
−
2
i
D
12
+
8
i
Question 2:
Solve:
(
2
+
3
i
)
(
3
+
4
i
)
A
2
−
12
i
B
−
6
+
17
i
C
6
−
12
i
D
4
+
17
i
Question 3:
Simplify:
i
13
A
1
B
−
1
C
−
i
D
i
Question 4:
Simplify:
(
3
−
4
i
)
2
A
25
−
24
i
B
−
7
−
24
i
C
9
−
16
i
D
−
i
Question 5:
Simplify: (2 - 5i)(2 + 5i)
A
−
16
B
29
C
4
−
25
i
D
4
+
25
i
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