Equation of Circle in Complex Plane/Examples/Radius 4, Center (0, -3)
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Example of Use of Equation of Circle in Complex Plane
The inequality:
- $\cmod {z + 3 i} > 4$
describes the area outside the circle whose center is at $-3 i$, whose radius is $4$.
Sources
- 1981: Murray R. Spiegel: Theory and Problems of Complex Variables (SI ed.) ... (previous) ... (next): $1$: Complex Numbers: Supplementary Problems: Graphical Representation of Complex Numbers. Vectors: $73 \ \text {(c)}$