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The locus of the centre of a circle whic...

The locus of the centre of a circle which touches the circles `|z-z_(1)|=a and |z-z_(2)|=b` externally `(z, z_(1), z_(2)` are complex numbers) will be-

A

an ellipse

B

a hyperbola

C

a circle

D

none of these

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The correct Answer is:
B
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