MathematicsHard53×since 2002Q3261Let A={z∈C:1≤∣z−(1+i)∣≤2}A = \{ z \in C:1 \le |z - (1 + i)| \le 2\}A={z∈C:1≤∣z−(1+i)∣≤2} and B={z∈A:∣z−(1−i)∣=1}B = \{ z \in A:|z - (1 - i)| = 1\}B={z∈A:∣z−(1−i)∣=1}. Then, B :Ais an empty setBcontains exactly two elementsCcontains exactly three elementsDis an infinite setCheck answerSkip