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In Delta ABC equation of the right bisec...

In `Delta ABC` equation of the right bisectors of the sides Ab and AC are `x+y = 0 and x - y = 0 ` respectively .If A = (5,7) then equation of side BC is

A

`7y=5x`

B

`5x=y`

C

`5y=7x`

D

`5y=x`

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A
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