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A and B are two fixed points. The locus ...

`A` and `B` are two fixed points. The locus of the point `P` such that `A hat(P) B` is a right angle is

A

`x^(2)+y^(2)=a^(2)`

B

`x^(2)-y^(2)=a^(2)`

C

`2 x^(2)+y^(2)=a^(2)`

D

`2 x^(2)-y^(2)=a^(2)`

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The correct Answer is:
A
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