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Question

If z is a complex number such that |z|2, then the minimum value of z+12

A
is strictly greater than 52
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B
is strictly greater than 32 but less than 32
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C
is equal to 52
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D
lie in the interval (1,2)
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Solution

The correct option is A is strictly greater than 52
z+12|z|+12
2+12
52

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