99,966 views
17 votes
17 votes
The imaginary number i is defined as ?

(1) -1
(3) √-4
(2) √-1
(4) (-1)²

User Sergey Romanov
by
3.0k points

1 Answer

10 votes
10 votes

Answer:

√-1

Explanation:

The imaginary number i is defined as √(-1)

NOTE : i² = -1

User Saadel
by
3.5k points
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