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Imaginary Numbers
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Imaginary Numbers
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Imaginary numbers have been discovered by Cardano when solving cubic equations. He ran into what would amount in the present day notations as a square root of a negative number.
An imaginary number is any number whose square is a negative real number. Imaginary numbers are represented by the letter i, which stands for the square root of -1. It is also represented by using the equation: i^2=-1. Imaginary numbers got...
Although the concept was in existence for many years before their actual discovery, imaginary numbers have been credited to Carl Friedrich Gauss.
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Answers to Other Common Questions
64 +8i -8i -i^2 64-1 63 the answer is 63
http://answers.yahoo.com/question/index?qid=20080120192...
I’m still working on the imaginary numbers idea. I don’t agree with the line that many mathematicians and philosophers take that numbers actually exist in the world. I think they are a useful conceptual system that we have created to enhanc...
http://www.jensplanet.com/weblog/living/200503241101.si...
Despite their name, imaginary numbers are just as "real" as real numbers. (See the definition of complex numbers on how they can be constructed using set theory.) One way to understand this is by realizing that numbers themselves ...
http://www.experiencefestival.com/a/Imaginary_number_-_...
"Imaginary numbers were conceived in response to the question of whether or not we could think about the square root of negative numbers, or equivalently whether or not there existed a value that satisfied the equation x^2 + 1 = 0. If ...
http://answers.yahoo.com/question/index?qid=20090211193...
"Yes, there are the quaternions, where you have two additional dimensions (usually denoted as j,k)." Quaternions are an extension of complex numbers from two to four dimensions, but they don't commute. Check http://en.wikipedia.or...
http://askville.amazon.com/numbers-plane-orthogonal-ima...
Strictly speaking imaginary numbers are numbers which contain the square root of one in the form x + y*sqrt(-1), and, when squared, give a negative number. Zero is still zero in any base. 0 base 4 is equal to 0 base 10, or any other base. A...
http://www.sythe.org/showthread.php?t=477601
The imaginary numbers aren't closed under multiplication: I assume you meant the complex numbers. Divisibility makes sense in any algebraic structure with a multiplication operation... but it's not very useful when most things are invertibl...
http://www.physicsforums.com/showthread.php?p=2023911
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