Mathematics · Complex Numbers
The set S = {z ∈ ℂ / |z + 1 - i| = 1} represents:
- 1the closed circular disc with centre at (-1, 1) and radius 1 unit
- 2the closed circular disc with centre at (1, -1) and radius 1 unit
- 3the circle with centre at (1, -1) and radius 1 unit
- 4the circle with centre at (-1, 1) and radius 1 unit✓
Correct answer
the circle with centre at (-1, 1) and radius 1 unit
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