Long description: Block262_Fig8
Alt text: A graph shows a large shaded circle on the complex plane with two smaller circles, labeled \(C_1\) and \(C_2\), contained within it.
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- The image displays a two-dimensional coordinate system with a horizontal \(x\)-axis and a vertical \(y\)-axis, representing the complex plane.
- A large, shaded circular region is drawn, centered near the origin, spanning approximately from \(x = -3\) to \(x = 3\).
- Inside this large shaded area, there are two smaller, unshaded circles.
- The circle labeled \(C_1\) is located to the right of the \(y\)-axis, centered roughly at the point \((1, 0)\).
- The circle labeled \(C_2\) is located to the left of the \(y\)-axis, centered roughly at the point \((-2, 0)\).
- Both smaller circles appear to be entirely contained within the boundaries of the larger shaded circular region.