The circle X & sup2; + Y & sup2; + DX + ey + F = 0 is symmetric with respect to the line y = X A.D+E=0 B.D-E=0.C.D+F=0 D.D-F=O

The center of the circle should be on the line y = X
Center coordinates (- D / 2, - E / 2)
So: - D / 2 = - E / 2
D-E=0
Choose answer B

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