A) A pair of straight lines
B) A circle
C) An ellipse
D) None of these
Correct Answer: D
Solution :
Given equation is \[2{{x}^{2}}+2{{y}^{2}}+4x+8y+15=0\] Þ \[{{(x+1)}^{2}}+{{(y+2)}^{2}}=-\frac{5}{2}\] which is not possible, as left hand term is a non-negative term.
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