Arithmetic/Types of Numbers/Imaginary Number

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Imaginary Number[edit]

An imaginary number is a number whose square is less than zero.

e.g.

Coniugate Number[edit]


Rules[edit]

1) i + i = 2i

2) i - i = 0

3) i x i = -1

4) i / i = 1

5) i + (-i) = 0

6) i - (-i) = 2i

7) i x (-i) = -i2 = 1

8) i / (-i) = -1