| 21. | It is the same as allowing exponents that are complex numbers.
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| 22. | The complex number can be identified with the point in the complex plane.
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| 23. | Further unification is possible if one allows complex numbers as coefficients.
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| 24. | Since the complex numbers are not origin using the Pythagorean theorem.
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| 25. | :A generalization also allows you to interpret complex number multiplication geometrically.
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| 26. | One way you could understand it is via the complex numbers.
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| 27. | Since the complex numbers contain the rationals, their characteristic is 0.
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| 28. | So, how can this equivalence be shown for the complex numbers?
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| 29. | The formula is important because it connects complex numbers and trigonometry.
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| 30. | But I think x should be treated as a complex number.
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