JEE Main 202126 Aug, Morning shiftMathematicsMediumCoordinate Geometry478× since 2002
The locus of a point, which moves such that the sum of squares of its distances from the points (0, 0), (1, 0), (0, 1), (1, 1) is 18 units, is a circle of diameter d. Then d² is equal to _____________.