3 years ago

What is the square of the imaginary number 3i?

2 answers:

Gwar [14]3 years ago

8 0

Answer:

-9

Step-by-step explanation:

Illusion [34]3 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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