The point P(3, 6) is first reflected on ...

The point `P(3, 6)` is first reflected on the line `y = X` and then the image point `Q` is again reflected on the line `y=- X` to get the image point `Q '`.Then the circumcentre of the `DeltaP Q Q'` is

A

(6,3)

B

`(6,-3)`

C

`(3,-6)`

D

(0,0)

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The correct Answer is:

D

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