Complex Numbers and Functions
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One of the advantages of dealing with the real numbers instead of the rational numbers is that certain equations which do not have any solutions in the rational numbers have a solution in real numbers. For instance, x 2 = 2 is such an equation. However, we also know some equations having no solution in real numbers, for instance x 2 = - 1, or x 2 = — 2. We define a new kind of number where such equations have solutions. The new kind of numbers will be called complex numbers.
KeywordsComplex Number Polar Form Open Disc Distinct Complex Number Adherent Point
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