Complex Numbers and the Complex Exponential
Complex Numbers and the Complex Exponential 1. Complex numbers The equation x2 + 1 = 0 has no solutions, because for any real number xthe square x 2is nonnegative, and so x + 1 can never be less than 1.In spite of this it turns out to be very useful to assume that there is a number ifor which one has
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people.math.wisc.eduMATH 221 FIRST SEMESTER CALCULUS fall 2009 Typeset:June 8, 2010 1
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