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B
Pair of lines
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C
Ellipse
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D
Hyperbola
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Solution
The correct option is D Hyperbola |z−4i|−|z+4i|=2 Clearly |4i−(−4i)|=|8i|=8≠2 Hence given expression represents a Hyperbola. Note: The equation |z−z1|−|z−z2|=k represents a Hyperbola if |z1−z2|≠k