If the middle points of the sides BC, CA and AB of the triangle ABC be (1, 3), (5, 7) and (-5, 7), then the equation of the side AB is

If the middle points of the sides BC, CA and AB of the triangle ABC be

1.	If the middle points of the sides BC, CA and AB of the triangle ABC be (1, 3), (5, 7) and (-5, 7), then the equation of the side AB is
A.	\[x-y-2=0\]
B.	\[x-y+12=0\]
C.	\[x+y-12=0\]
D.	None of these
Answer» C. \[x+y-12=0\]

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If the middle points of the sides BC, CA and AB of the triangle ABC be (1, 3), (5, 7) and (-5, 7), then the equation of the side AB is

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