Test: Complex Numbers I - Ambitious

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Question 1:   Solve: ( 7+5i )( 2+3i )
7
12+8i
52i
5+2i
Question 2:   Solve: ( 2+3i )( 3+4i )
4+17i
6+17i
212i
612i
Question 3:   Simplify: i 13
i
i
1
1
Question 4:   Simplify: ( 34i ) 2
i
916i
2524i
724i
Question 5:   Simplify: (2 - 5i)(2 + 5i)
29
16
4+25i
425i
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