Question

what r complex numbers

Answer 1

A complex number is a number that can be expressed in the form a + bi, where a and bare real numbers, and i is a solution of the equation x2 = −1. Because no real numbersatisfies this equation, i is called an imaginary number. For the complex number a + bi, a is called the real part, and b is called the imaginary part. Despite the historical nomenclature "imaginary", complex numbers are regarded in the mathematical sciences as just as "real" as the real numbers, and are fundamental in many aspects of the scientific description of the natural world

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