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All accepted systems of numbers, integers, rational numbers, and real and
complex numbers have the above properties (see arithmetic; analysis: Real
analysis). If the system has the property that when a is different from zero there is
a number ...
In order to get a field containing 4—1 (that is, to be able to carry out addition,
subtraction, multiplication, and division subject to the usual rules), all complex
numbers of the form x + yi = x+iy = x + yj—l were considered more generally.
Theory of analytic functions of one complex variable FOUNDATIONS Complex
numbers and the complex plane. Complex numbers are numbers of the form a +
bi, in which a and b are real numbers and i is the square root of — 1 . They can
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review
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For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review