Determine a region of the xy-plane for which the given differential equation would have a unique solution whose graph passes through a point (x0, y0) in the region. x dy dx = y There is a unique solution in the entire xy-plane. There is a unique solution in the region consisting of all points in the xy-plane except the origin. There is a unique solution in the region x < 1. There is a unique solution in the region y≤ X. There is a unique solution in the regions x > 0 and x < 0.

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