College Algebra / Alg 184 · Atom · ~20 seconds
Adding and Subtracting Complex Numbers
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State
Complex numbers add and subtract by combining real parts with real parts and imaginary parts with imaginary parts.
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(3 + 2i) + (1 − 5i) = 4 − 3i — the same like-terms discipline that collects polynomials, with i marking the like kind. Nothing crosses the aisle.
Builds on
- Nothing — this is a starting point.
Unlocks
- Nothing yet depends on this.