The number of complex numbers z satisfying |z−3−i|=|z−9−i| and |z−3+3i|=3 are
A
one
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B
two
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C
four
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D
none oh these
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Solution
The correct option is A one |z−3−i|=|z−9−i| |z−3+3i|=3 It can be observed from the figure that the given curves intersect only at one point. Therefore only one solution exists. Hence, option 'A' is correct.