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Question

If zϵCand|z+4|3 then the greatest value of |z+1| is

A
5
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B
6
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C
4
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D
3
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Solution

The correct option is D 6
|z+4|3 ...(1)
|(z+4)3||z+4|+|3||z+1||z+4|+3
|z+1|6 ....{ |z+4|3}
Ans: B

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