Question
Mathematics Question on complex numbers
If set A = { z: |z - 1| ≤ 1} and set B = { z: |z - 5i| ≤ |z - 5| }, if z = a + ib, where a, b ∈ I, then find the sum of modulus squares of A ∩ B.
A
0
B
2
C
4
D
5
Answer
2
Explanation
Solution
The Correct answer is option is (B) : 2