Question

what are complex numbers and their composition​

Answer 1

Answer:

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a symbol called the imaginary unit, and satisfying the equation i2 = −1. Because no real number satisfies this equation, i was called an imaginary number by René Descartes.

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Answer 2

Answer:

A complex number is the sum of a real number and an imaginary number.

A complex number is a number of the form a + bi, where a and b are real numbers, and i is an indeterminate satisfying i2 = −1. For example, 2 + 3i is a complex number.

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