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What is the square of the imaginary number 3i?
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What is the square of the imaginary number 3i?
asked
Aug 1, 2022
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What is the square of the imaginary number 3i?
Mathematics
high-school
Mr Rubix
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2
Answers
7
votes
Answer:
-9
Step-by-step explanation:
Akelec
answered
Aug 3, 2022
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Akelec
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6
votes
−
9
Step-by-step explanation:
(
3
i
)
2
=
9
i
2
i
2
=
−
1
,
therefore,
9
i
2
=
9
⋅
(
−
1
)
=
−
9
Dmvianna
answered
Aug 8, 2022
by
Dmvianna
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