1) x^2 + 4x + y^2 + 6y + 13 = 0
2) x^2 + 4x + y^2 + 6y + 15 = 0
what're the set of points represents ??
2) x^2 + 4x + y^2 + 6y + 15 = 0
what're the set of points represents ??
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1/
It's a point (-2,-3)
2/
It's a null set
It's a point (-2,-3)
2/
It's a null set