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A point P is taken on 'L' such that 2/(O...

A point P is taken on 'L' such that `2/(OP) = 1/(OA) +1/(OB)` , then the locus of P is

A

`(y-x)^(2)=32`

B

`(y-x)^(2)=64`

C

`(y-x)^(2)=80`

D

`(y-x)^(2)=100`

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