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1. en.wikipedia.org › wiki › Complex_numberComplex number - Wikipedia

   en.wikipedia.org › wiki › Complex_number

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   11 godz. temu · Definition and basic operations Various complex numbers depicted in the complex plane. A complex number is an expression of the form a + bi, where a and b are real numbers, and i is an abstract symbol, the so-called imaginary unit, whose meaning will be explained further below.For example, 2 + 3i is a complex number. For a complex number a + bi, the real number a is called its real part, and ...

2. en.wikipedia.org › wiki › Rhind_Mathematical_PapyrusRhind Mathematical Papyrus - Wikipedia

   en.wikipedia.org › wiki › Rhind_Mathematical_Papyrus

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   11 godz. temu · The first part of the Rhind papyrus consists of reference tables and a collection of 21 arithmetic and 20 algebraic problems. The problems start out with simple fractional expressions, followed by completion (sekem) problems and more involved linear equations (aha problems).The first part of the papyrus is taken up by the 2/n table.The fractions 2/n for odd n ranging from 3 to 101 are ...