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The locus of a point which is equidistan...

The locus of a point which is equidistant from `( a+ b , a-b) and (a-b, a+b)` is

A

`a x+b y=0`

B

`x-y=0`

C

`x+y=0`

D

`b x-a y=0`

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The correct Answer is:
B
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