Arithmetic/Types of Numbers/Imaginary Number
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Imaginary Number[edit | edit source]
An imaginary number is a number whose square is less than zero.
e.g.
Conjugate Number[edit | edit source]
Rules[edit | edit source]
1) i + i = 2i
2) i - i = 0
3) i x i = i²
4) i / i = 1
5) i + (-i) = 0
6) i - (-i) = 2i
7) i x (-i) = -i2 = 1
8) i / (-i) = -1