If z = x + iy and w = 1- iz z - i , then |w| = 1 implies that in the complex plane

Mathematics · JEE Advanced · NTA Exams — Complex Numbers and Quadratic Equations

1. z lies on the imaginary axis
2. z lies on the real axis
3. z lies on the unit circle
4. None of the above

Answer

(B) z lies on the real axis

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