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Suppose A, B are two points on 2 x-y+3=0...

Suppose `A, B` are two points on `2 x-y+3=0` and `P(1,2)` is such that `P A=P B`, then the mid point of `A B` is

A

`(-(1)/(5), (13)/(5))`

B

`(-(7)/(5), (9)/(5))`

C

`((7)/(5),-(9)/(5))`

D

`(-(7)/(5),-(9)/(5))`

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A
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