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If z satisfies the inequality |z-1-2i|<...

If z satisfies the inequality `|z-1-2i|<=1`, then

A

min (arg(z)) `tan^-1(3/4)`

B

max (arg(z))=`pi/2`

C

min (|z|) `=sqrt(5)-1`

D

max (|z|) `=sqrt(5)+1`

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The correct Answer is:
A,B,C,D
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