The Call of the Primes by Owen O'Shea

Author:Owen O'Shea
Language: eng
Format: epub
ISBN: 9781633881495
Publisher: Penguin Random House LLC (Publisher Services)
Published: 2016-02-25T16:00:00+00:00

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This equation can be rearranged as

x4 – 4x3 – 2x2 + 4x + 5 = 0.

This equation involves a power of 4 and is called a quartic equation. Quartic equations have at most four solutions. In other words, at most there will four different values for x that will make the equation correct.

There is a mathematical procedure (it is not easy!) to solve quartic equations. The four solutions to this quartic are:

x = 4.1811254452

x = –0.7742319565 + 0.5245449075i

x = –0.7742319565 – 0.5245449075i

x = 1.3673384678…

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