JEE Main 2024 Mathematics question
Let z be a complex number such that the real part of is zero. Then, the maximum value of |z − (6 + 8i)| is equal to :
Answer: (A)
Solution
The real part of (z − 2i)/(z + 2i) is zero when (z − 2i)/(z + 2i) + (z̄ + 2i)/(z̄ − 2i) = 0,
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