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

The locus of the centre of a circle which touches the circle `|z-z_(1)|=a " and "|z-z_(2)|=b` externally `(z, z_(1)" and "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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NEW JOYTHI PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-QUESTIONS FROM COMPETITIVE EXAMS
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  10. If the sum of the roots of the quadratic equation ax^(2)+bx+c=0 is equ...

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  12. If ((1+i)/(1-i))^(x)=1, then

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  13. If z and omega are two non-zero complex numbers such that |z omega|=1"...

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  20. If |z^(2)-1|=|z^(2)|+1, then z lies on

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