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irga5000 [103]
2 years ago
10

What is the square of the imaginary number 3i?

Mathematics
2 answers:
Gwar [14]2 years ago
8 0

Answer:

-9

Step-by-step explanation:

Illusion [34]2 years ago
5 0
−
9
Explanation:
(
3
i
)
2
=
9
i
2
i
2
=
−
1
,
therefore,
9
i
2
=
9
⋅
(
−
1
)
=
−
9
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