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If | z - 25 i| le 15 then | max: amp(z)...

If ` | z - 25 i| le 15` then | max: amp(z) - min amp (z) | =

A

`2cos ^(-1)((3)/(5))`

B

`2cos ^(-1)((4)/(5))`

C

`(pi)/(2) + cos ^(-1) ((3)/(5))`

D

` sin ^(-1) ((3)/(5)) - cos ^(-1) ((3)/(5))`

Text Solution

Verified by Experts

The correct Answer is:
B
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  8. If log (1//3) | z + 1| gt log (1//3) | z - 1| : then

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  9. Let z ( ne 2) be a complex number such that log (1//2) | z - 2| gt l...

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  12. Among the complex numbers z satisfying the condition | z + 1 - i| l...

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  16. If z is a complex number having least absolute value and |z-2+2i|=|, ...

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