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Question

If |z+4|3, then the greatest and the least value of |z+1| are

A
1,6
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B
6,0
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C
6,3
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D
None of these
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Solution

The correct option is C 6,0
|z+4|33z+43
6z+10
0(z+1)6
0|z+1|6
Hence, the greatest and least values are 6 and 0.

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