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→Arbitrary definition for using the imaginary square root of -1: new section
:::I would certainly say this was Euler's masterpiece, even though I am a mainly a Graph Theorist, and the other 'Euler's Formula' is the one I am most familiar with.--[[User:CatWatcher|CatWatcher]] 18:39, 7 April 2007 (EDT)
:::I would certainly say this was Euler's masterpiece, even though I am a mainly a Graph Theorist, and the other 'Euler's Formula' is the one I am most familiar with.--[[User:CatWatcher|CatWatcher]] 18:39, 7 April 2007 (EDT)
== Arbitrary definition for using the imaginary square root of -1 ==
Andy, what do you think is "arbitrary" about the square root of -1? Extending a field by the root of an equation is a well understood procedure (and ''i'' or ''-i'' will lead to the same result....) --[[User:AugustO|AugustO]] ([[User talk:AugustO|talk]]) 14:43, 16 August 2015 (EDT)