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A 11 B 53 Are Opposite Vertices Of A Square In Th

# A (-1,1), B (5,3) are opposite vertices of a square in the x - y plane. The equation of the other diagonal ( not passing through A, B ) of the square is given by

A.  x - 3y + 4 = 0

B.  2x - y + 3 = 0

C.  y + 3x - 8 = 0

D.  x + 2y - 1 = 0

1