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Imaginary Numbers

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Fatma talib

on 25 February 2013

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Transcript of Imaginary Numbers

What is imaginary numbers?
Who came up with it?
How do we graph it? Who came up with it? How do we graph it? Imaginary Numbers Imaginary Numbers Imaginary numbers are complex numbers.
Where i equals the square root of negative one. Al-Khwarizmi Girolamo Cardano Rafael Bombelli Fatma Talib He was as a mathematician and astronomer who was a faculty member at the "House of Wisdom" established in Baghdad by Al-Mamun. Al-Khwarizmi is known as the father of algebra. His work is mostly focused on Algebra one dealing with positive numbers. Is an italian mathematician, physician, and astrologer. Cardano was the first to introduce complex numbers but he wasn't so sure about it. He was also great with medicine but he wasn't liked by people because he gambled and did other bad things. Rafael received no college education, but was instead taught by an engineer-architect by the name of Pier Francesco Clementi.Rafeal felt like that none of the algebra books in his day really explained the subjects in a clear way. So he wrote his own book that also explains imaginary numbers. Bombelli called the imaginary number i “plus of minus” or “minus of minus” for -i. Also in his book he set rules for the imaginary number. Leonhard Euler Is a pioneering Swiss mathematician and physicist. He made important discoveries in fields as diverse as infinitesimal calculus and graph theory. He also introduced much of the modern mathematical terminology and notation, particularly for mathematical analysis, such as the notion of a mathematical function. He also introduced that i equals the square root of -1. 1707-1783 1526-1572 1501-1576 780-850 Graph
2-i
3-2i
1+3i-2 Graph the square root of x and -x
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