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Engineering LibreTexts

2: Complex Numbers and Arithmetic, Laplace Transforms, and Partial-Fraction Expansion

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  • Thumbnail: A complex number can be visually represented as a pair of numbers (a, b) forming a vector on a diagram representing the complex plane. "Re" is the real axis, "Im" is the imaginary axis, and i satisfies \(i^2 = −1\). (CC BY-SA 3.0 unported; Wolfkeeper via Wikipedia)