A combination of a real and an imaginary number in the form

The values

These are all complex numbers: 1 + i, 2 − 6i, −5.2i, 4

**a + bi****a**and**b**are real numbers, and**i**is the "unit imaginary number" √(−1)The values

**a**and**b**can be zero.These are all complex numbers: 1 + i, 2 − 6i, −5.2i, 4

See: Imaginary Number

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