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If the middle points of the sides BC, CA...

If the middle points of the sides `BC, CA,` and `AB` of triangle `ABC` are `(1, 3), (5, 7),` and `(-5, 7),` respec-tively, then find the equation of the side `AB.`

A

x - y - 2 = 0

B

x - y + 12 = 0

C

x + y -12 = 0

D

None of these

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The correct Answer is:
B
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