
Complex numbers

Assessment
•
Julia Tammela
•
Mathematics
•
University
•
2 plays
•
Hard
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15 questions
Show answers
1.
Multiple Choice
(3 + i) + (3-8i)
3+2i
-7i
7
-3-2i
2.
Multiple Choice
(5-4i) - (7+4i)
2+8i
8i
-2-8i
2
3.
Multiple Choice
(-6 + 2i) + (- 6 - 2i)
2-7i
7-2i
3i
-12
4.
Multiple Choice
(5-3i)*2i
10i-6
-3+2i
2i
8
5.
Multiple Choice
(3+4i)(3-4i=
25
9i
-5+3i
9-124i
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