If |z-25i| 15, then | maximum amp (z)- minimum amp (z)|=

JEE Main Mathematics question

If , then

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

The disc has centre and radius ; the tangents from the origin make an angle with the imaginary axis where . So the greatest and least arguments are , and

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-013890